diff --git a/.clang-format b/.clang-format new file mode 100644 index 0000000..ff83ce8 --- /dev/null +++ b/.clang-format @@ -0,0 +1,54 @@ +--- +# Base Style +BasedOnStyle: Google # Based on Google style guidelines +Language: Cpp # Explicitly specify C++ +Standard: c++17 # Use C++17 standard + +# Code Layout +ColumnLimit: 180 # Recommended maximum line length +IndentWidth: 4 # 4-space indentation +InsertNewlineAtEOF: true # Ensure newline at end of file +UseTab: Never # Exclusively use spaces for indentation + +# Code Structure +AllowShortIfStatementsOnASingleLine: Never # Prevent single-line if statements +AllowShortFunctionsOnASingleLine: Inline # Allow short functions on single line +AllowShortLoopsOnASingleLine: false # Prevent single-line loops +BinPackArguments: false +BinPackParameters: OnePerLine +BreakBeforeBraces: Attach # Attach braces to code block +BreakBeforeBinaryOperators: NonAssignment # Break before non-assignment operators +BreakBeforeTernaryOperators: true # Break before ternary operators +BreakConstructorInitializers: BeforeColon # Break constructor initializers before colon +BreakInheritanceList: BeforeColon # Break inheritance list before colon +InsertBraces: true # Automatically insert braces for clarity +PackConstructorInitializers: Never + +# Language Features +AccessModifierOffset: -4 # Offset for access modifiers +CompactNamespaces: false # Keep namespaces readable +FixNamespaceComments: true # Properly format namespace comments +IndentCaseLabels: true # Indent switch case labels +NamespaceIndentation: All # Indent inside namespaces + +# Pointers and References +DerivePointerAlignment: false # Manually set pointer alignment +PointerAlignment: Left # Left-align pointers and references + +# Spacing and Alignment +SpaceAroundPointerQualifiers: Default # Consistent space around pointer qualifiers +SpaceBeforeParens: ControlStatements # Space before parentheses in control statements +SpaceBeforeCtorInitializerColon: true # Space before constructor initializer colon +SpaceBeforeInheritanceColon: true # Space before inheritance colon +SpaceBeforeRangeBasedForLoopColon: true # Space before range-based for loop colon +SpacesBeforeTrailingComments: 2 # Two spaces before trailing comments +SpacesInContainerLiterals: false # No extra spaces in container literals +SpacesInParensOptions: + InEmptyParentheses: false # No spaces in empty parentheses +SpacesInSquareBrackets: false # No extra spaces in square brackets + +# Comments and Includes +AlignTrailingComments: + Kind: Always # Strictly align trailing comments +ReflowComments: true # Reflow comments to fit column limit +SortIncludes: CaseSensitive # Sort includes in case-sensitive manner diff --git a/.clang-tidy b/.clang-tidy new file mode 100644 index 0000000..9e9f701 --- /dev/null +++ b/.clang-tidy @@ -0,0 +1,79 @@ +Checks: > + -*, # Disable all checks by default + bugprone-*, + readability-*, + performance-*, + modernize-*, + cppcoreguidelines-*, + clang-analyzer-*, + portability-*, + security-*, + misc-*, + google-*, + +CheckOptions: + # Naming conventions + - key: readability-identifier-naming.ClassCase + value: CamelCase + - key: readability-identifier-naming.StructCase + value: CamelCase + - key: readability-identifier-naming.EnumCase + value: CamelCase + - key: readability-identifier-naming.MethodCase + value: lower_case + - key: readability-identifier-naming.FunctionCase + value: lower_case + - key: readability-identifier-naming.VariableCase + value: lower_case + - key: readability-identifier-naming.ParameterCase + value: lower_case + - key: readability-identifier-naming.MemberCase + value: m_camelBack + - key: readability-identifier-naming.StaticMemberCase + value: s_camelBack + - key: readability-identifier-naming.GlobalVariableCase + value: g_lower_case + - key: readability-identifier-naming.NamespaceCase + value: lower_case + + # Function complexity + - key: readability-function-cognitive-complexity.Threshold + value: 35 + + # Bug detection + - key: bugprone-argument-comment + value: 1 + - key: bugprone-branch-clone + value: 1 + - key: bugprone-use-after-move + value: 1 + + # Modern practices + - key: modernize-use-nullptr.NullMacros + value: 'NULL' + - key: modernize-use-auto + value: 1 + - key: modernize-avoid-bind + value: 1 + + # Core guidelines + - key: cppcoreguidelines-no-malloc + value: 1 + - key: cppcoreguidelines-pro-type-cstyle-cast + value: 1 + - key: cppcoreguidelines-special-member-functions + value: 1 + + # Security + - key: security-undefined-bool-conversion + value: 1 + - key: security-implicit-int-float-conversion + value: 1 + + # Performance + - key: performance-unnecessary-copy-initialization + value: 1 + - key: performance-for-range-copy + value: 1 + - key: performance-move-const-arg + value: 1 diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..55d189e --- /dev/null +++ b/.dockerignore @@ -0,0 +1,9 @@ +# all start with .(dot), including directories and files +.* +CHANGELOG.md +CODE_OF_CONDUCT.md +CONTRIBUTING.md +compose.yml +LICENSE* +Makefile +README.md diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..b59892f --- /dev/null +++ b/.editorconfig @@ -0,0 +1,14 @@ +root = true + +[*] +charset = utf-8 +end_of_line = lf +indent_size = 4 +indent_style = space +insert_final_newline = true +max_line_length = 120 +tab_width = 4 +trim_trailing_whitespace = true + +[Makefile] +indent_style = tab \ No newline at end of file diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md new file mode 100644 index 0000000..6875417 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/bug_report.md @@ -0,0 +1,44 @@ +--- +name: Bug report +about: Create a report to help us improve +title: 'bug: ' +labels: bug +assignees: '' + +--- + +## Bug description + + + +- Would you like to work on a fix? [y/n] + +## To Reproduce + +Steps to reproduce the behavior: + +1. ... +2. ... +3. ... +4. ... + + + +## Expected behavior + + + +## Screenshots + + + +## Environment + + + +- OS: [e.g. Ubuntu 20.04] +- example-cxx-xmake version: [e.g. 0.1.0] + +## Additional context + + diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml new file mode 100644 index 0000000..0086358 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/config.yml @@ -0,0 +1 @@ +blank_issues_enabled: true diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md new file mode 100644 index 0000000..9b061bb --- /dev/null +++ b/.github/ISSUE_TEMPLATE/feature_request.md @@ -0,0 +1,28 @@ +--- +name: Feature request +about: Suggest an idea for this project +title: 'Feature Request: ' +labels: enhancement +assignees: '' + +--- + +## Motivations + + + +- Would you like to implement this feature? [y/n] + +## Solution + + + +## Alternatives + + + +## Additional context + + diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md new file mode 100644 index 0000000..d697566 --- /dev/null +++ b/.github/PULL_REQUEST_TEMPLATE.md @@ -0,0 +1,9 @@ + + + diff --git a/.github/configs/labeler.yml b/.github/configs/labeler.yml new file mode 100644 index 0000000..f4ed978 --- /dev/null +++ b/.github/configs/labeler.yml @@ -0,0 +1,63 @@ +version: 1 + +labels: + # Type: Build-related changes + - label: "@type/build" + title: '^build(?:\(.+\))?\!?:' + + # Type: CI-related changes + - label: "@type/ci" + title: '^ci(?:\(.+\))?\!?:' + files: + - '\.github/.+' + + # Type: Documentation changes + - label: "@type/docs" + title: '^docs(?:\(.+\))?\!?:' + files: + - "docs/.+" + - "**/*.md" + + # Type: New feature + - label: "@type/feature" + title: '^feat(?:\(.+\))?\!?:' + + # Type: Bug fix + - label: "@type/fix" + title: '^fix(?:\(.+\))?\!?:' + + # Type: Improvements such as style changes, refactoring, or performance improvements + - label: "@type/improve" + title: '^(style|refactor|perf)(?:\(.+\))?\!?:' + + # Type: Dependency changes + - label: "@type/dependency" + title: '^(chore|build)(?:\(deps\))?\!?:' + + # Type: Test-related changes + - label: "@type/test" + title: '^test(?:\(.+\))?\!?:' + files: + - "tests/.+" + - "spec/.+" + + # Type: Security-related changes + - label: "@type/security" + title: '^security(?:\(.+\))?\!?:' + files: + - "**/security/.+" + + # Issue Type Only: Feature Request + - label: "Feature Request" + type: issue + title: "^Feature Request:" + + # Issue Type Only: Documentation + - label: "Documentation" + type: issue + title: "^.*(\b[Dd]ocumentation|doc(s)?\b).*" + + # Issue Type Only: Bug Report + - label: "Bug Report" + type: issue + title: "^.*(\b[Bb]ug|b(u)?g(s)?\b).*" diff --git a/.github/renovate.json b/.github/renovate.json new file mode 100644 index 0000000..93afd4a --- /dev/null +++ b/.github/renovate.json @@ -0,0 +1,6 @@ +{ + "$schema": "https://docs.renovatebot.com/renovate-schema.json", + "extends": [ + "config:recommended" + ] +} diff --git a/.github/workflows/cd.yml b/.github/workflows/cd.yml new file mode 100644 index 0000000..694b52f --- /dev/null +++ b/.github/workflows/cd.yml @@ -0,0 +1,14 @@ +name: CD # Continuous Deployment or Delivery + +on: + push: + # e.g. 1.0.0, v2.0.0, v0.1.0, v0.2.0-alpha, v0.3.0+build-71edf32 + tags: + - '[v]?[0-9]+\.[0-9]+\.[0-9]+.*' + +jobs: + dd: + name: Deploy or Delivery + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v4 diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml new file mode 100644 index 0000000..07e7b1a --- /dev/null +++ b/.github/workflows/ci.yml @@ -0,0 +1,31 @@ +name: CI # Continuous Integration + +on: + push: + branches: + - main + pull_request: + +jobs: + build-and-test: + strategy: + matrix: + os: + - ubuntu-latest + - windows-latest + name: ${{ matrix.os }} + runs-on: ${{ matrix.os }} + steps: + - uses: actions/checkout@v4 + + - uses: xmake-io/github-action-setup-xmake@v1 + with: + xmake-version: latest + + - name: Build + run: make build + + - name: Test + run: | + make run + make test diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml new file mode 100644 index 0000000..5b679f7 --- /dev/null +++ b/.github/workflows/docker.yml @@ -0,0 +1,51 @@ +name: Build and Push Docker Image + +on: + push: + tags: + - '^v[0-9]+\.[0-9]+\.[0-9]+.*$' + +jobs: + docker: + runs-on: ubuntu-latest + steps: + - + name: Checkout + uses: actions/checkout@v4 + - + name: Set up QEMU + uses: docker/setup-qemu-action@v3 + - + name: Set up Docker Buildx + uses: docker/setup-buildx-action@v3 + - + name: Login to GitHub Container Registry + uses: docker/login-action@v3 + with: + registry: ghcr.io + username: ${{ github.repository_owner }} + password: ${{ secrets.GITHUB_TOKEN }} + - + name: Build and Export to Docker + uses: docker/build-push-action@v6 + with: + context: . + load: true + tags: | + ghcr.io/x-pt/example-cxx-xmake:latest + ghcr.io/x-pt/example-cxx-xmake:${GITHUB_REF_NAME:1} + - + name: Test it before Push + run: | + docker run --rm ghcr.io/x-pt/example-cxx-xmake:latest + docker run --rm ghcr.io/x-pt/example-cxx-xmake:${GITHUB_REF_NAME:1} + - + name: Build and Push + uses: docker/build-push-action@v6 + with: + context: . + platforms: linux/amd64,linux/arm64 + push: true + tags: | + ghcr.io/x-pt/example-cxx-xmake:latest + ghcr.io/x-pt/example-cxx-xmake:${GITHUB_REF_NAME:1} diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml new file mode 100644 index 0000000..91499a4 --- /dev/null +++ b/.github/workflows/labeler.yml @@ -0,0 +1,15 @@ +name: Labeler + +on: + - pull_request + - issues + +jobs: + labeler: + runs-on: ubuntu-latest + steps: + - uses: srvaroa/labeler@master + with: + config_path: .github/configs/labeler.yml + env: + GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml new file mode 100644 index 0000000..d1fade5 --- /dev/null +++ b/.github/workflows/release.yml @@ -0,0 +1,60 @@ +name: Example Cxx Xmake Release + +on: + push: + tags: + - "v*.*.*" + +jobs: + changelog: + runs-on: ubuntu-latest + steps: + - name: Checkout Code + uses: actions/checkout@v4 + with: + fetch-depth: 0 + + - name: Get Tag Version + id: tag_version + run: echo "CURRENT_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV + + - name: Generate Full Changelog + uses: orhun/git-cliff-action@v4 + with: + config: cliff.toml + args: --verbose + env: + OUTPUT: CHANGELOG.md + GITHUB_REPO: ${{ github.repository }} + + - name: Commit Changelog + run: | + git config user.name 'github-actions[bot]' + git config user.email 'github-actions[bot]@users.noreply.github.com' + set +e + git switch main + git add CHANGELOG.md + git commit -m "chore(release-bot): prepare for release notes on ${CURRENT_TAG}" + git push + + release: + runs-on: ubuntu-latest + steps: + - name: Checkout Code + uses: actions/checkout@v4 + with: + fetch-depth: 0 + + - name: Generate Latest Release Notes + id: latest_release_notes + uses: orhun/git-cliff-action@v4 + with: + config: cliff.toml + args: --latest --strip all + env: + OUTPUT: CHANGELOG.txt + + - name: Create GitHub Release + uses: softprops/action-gh-release@v2 + with: + body_path: CHANGELOG.txt diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..90493e3 --- /dev/null +++ b/.gitignore @@ -0,0 +1,115 @@ +### C++ template +# Prerequisites +*.d + +# Compiled Object files +*.slo +*.lo +*.o +*.obj + +# Precompiled Headers +*.gch +*.pch + +# Compiled Dynamic libraries +*.so +*.dylib +*.dll + +# Fortran module files (optional, in case your project integrates Fortran) +*.mod +*.smod + +# Compiled Static libraries +*.lai +*.la +*.a +*.lib + +# Executables +*.exe +*.out +*.app + +# Debug and other temporary files +*.dSYM/ +*.su +*.idb +*.pdb +*.log + +### CMake +CMakeLists.txt.user +CMakeCache.txt +CMakeFiles/ +CMakeScripts/ +Testing/ +build/ +cmake_install.cmake +install_manifest.txt +compile_commands.json +CTestTestfile.cmake +_deps/ + +### Visual Studio Code +.vscode/ + +### JetBrains IDEs (CLion, IntelliJ, etc.) +.idea/ +.idea_modules/ +out/ + +# CMake generated build directories +cmake-build-*/ + +### Visual Studio +.vs/ +*.vcxproj.user +*.vcxproj.filters +*.rsuser +*.suo +*.user +*.userosscache +*.VC.db +*.VC.opendb + +# Visual Studio build results +[Bb]in/ +[Oo]bj/ +[Dd]ebug*/ +[Rr]elease*/ +x64/ +x86/ + +# Visual Studio cache files +*.sdf +*.ipch +*.aps +*.ncb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx + +# Other Visual Studio-related files +*.log +*.tlog +*.tlb +*.tli +*.tlh + +### Miscellaneous +.DS_Store +*.tmp +*.temp +*.bak +*.swp +*.swo +*~ + +# Backup and temporary files +*.old +*.orig +*.backup diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml new file mode 100644 index 0000000..a9b17ae --- /dev/null +++ b/.pre-commit-config.yaml @@ -0,0 +1,19 @@ +fail_fast: true + +repos: + - repo: https://github.com/pre-commit/pre-commit-hooks + rev: v5.0.0 + hooks: + - id: check-merge-conflict + - id: check-toml + - id: check-yaml + - id: end-of-file-fixer + - id: mixed-line-ending + args: [ --fix=lf ] + - id: trailing-whitespace + - repo: https://github.com/commitizen-tools/commitizen + rev: v3.30.1 + hooks: + - id: commitizen + - id: commitizen-branch + stages: [ pre-push ] diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..f8863f8 --- /dev/null +++ b/CHANGELOG.md @@ -0,0 +1,20 @@ +# Changelog + +All notable changes to this project will be documented in this file. + +The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), +and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). + +## [Unreleased] + +### Added + +- support some features + +### Changed + +- change some existed behaviors/logic + +### Fixed + +- fix some bugs diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md new file mode 100644 index 0000000..d12c6a2 --- /dev/null +++ b/CODE_OF_CONDUCT.md @@ -0,0 +1,136 @@ +# Contributor Covenant Code of Conduct + +## Our Pledge + +We as members, contributors, and leaders pledge to make participation in our +community a harassment-free experience for everyone, regardless of age, body +size, visible or invisible disability, ethnicity, sex characteristics, gender +identity and expression, level of experience, education, socio-economic status, +nationality, personal appearance, race, caste, color, religion, or sexual +identity and orientation. + +We pledge to act and interact in ways that contribute to an open, welcoming, +diverse, inclusive, and healthy community. + +## Our Standards + +Examples of behavior that contributes to a positive environment for our +community include: + +- Demonstrating empathy and kindness toward other people +- Being respectful of differing opinions, viewpoints, and experiences +- Giving and gracefully accepting constructive feedback +- Accepting responsibility and apologizing to those affected by our mistakes, + and learning from the experience +- Focusing on what is best not just for us as individuals, but for the overall + community + +Examples of unacceptable behavior include: + +- The use of sexualized language or imagery, and sexual attention or advances of + any kind +- Trolling, insulting or derogatory comments, and personal or political attacks +- Public or private harassment +- Publishing others' private information, such as a physical or email address, + without their explicit permission +- Other conduct which could reasonably be considered inappropriate in a + professional setting + +## Enforcement Responsibilities + +Community leaders are responsible for clarifying and enforcing our standards of +acceptable behavior and will take appropriate and fair corrective action in +response to any behavior that they deem inappropriate, threatening, offensive, +or harmful. + +Community leaders have the right and responsibility to remove, edit, or reject +comments, commits, code, wiki edits, issues, and other contributions that are +not aligned to this Code of Conduct, and will communicate reasons for moderation +decisions when appropriate. + +## Scope + +This Code of Conduct applies within all community spaces, and also applies when +an individual is officially representing the community in public spaces. +Examples of representing our community include using an official e-mail address, +posting via an official social media account, or acting as an appointed +representative at an online or offline event. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be +reported to the community leaders responsible for enforcement at +[INSERT CONTACT METHOD]. +All complaints will be reviewed and investigated promptly and fairly. + +All community leaders are obligated to respect the privacy and security of the +reporter of any incident. + +## Enforcement Guidelines + +Community leaders will follow these Community Impact Guidelines in determining +the consequences for any action they deem in violation of this Code of Conduct: + +### 1. Correction + +**Community Impact**: Use of inappropriate language or other behavior deemed +unprofessional or unwelcome in the community. + +**Consequence**: A private, written warning from community leaders, providing +clarity around the nature of the violation and an explanation of why the +behavior was inappropriate. A public apology may be requested. + +### 2. Warning + +**Community Impact**: A violation through a single incident or series of +actions. + +**Consequence**: A warning with consequences for continued behavior. No +interaction with the people involved, including unsolicited interaction with +those enforcing the Code of Conduct, for a specified period of time. This +includes avoiding interactions in community spaces as well as external channels +like social media. Violating these terms may lead to a temporary or permanent +ban. + +### 3. Temporary Ban + +**Community Impact**: A serious violation of community standards, including +sustained inappropriate behavior. + +**Consequence**: A temporary ban from any sort of interaction or public +communication with the community for a specified period of time. No public or +private interaction with the people involved, including unsolicited interaction +with those enforcing the Code of Conduct, is allowed during this period. +Violating these terms may lead to a permanent ban. + +### 4. Permanent Ban + +**Community Impact**: Demonstrating a pattern of violation of community +standards, including sustained inappropriate behavior, harassment of an +individual, or aggression toward or disparagement of classes of individuals. + +**Consequence**: A permanent ban from any sort of public interaction within the +community. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], +version 2.1, available at +[https://www.contributor-covenant.org/version/2/1/code_of_conduct.html][v2.1]. + +Community Impact Guidelines were inspired by +[Mozilla's code of conduct enforcement ladder][Mozilla CoC]. + +For answers to common questions about this code of conduct, see the FAQ at +[https://www.contributor-covenant.org/faq][FAQ]. Translations are available at +[https://www.contributor-covenant.org/translations][translations]. + +[homepage]: https://www.contributor-covenant.org + +[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html + +[Mozilla CoC]: https://github.com/mozilla/diversity + +[FAQ]: https://www.contributor-covenant.org/faq + +[translations]: https://www.contributor-covenant.org/translations diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 0000000..fe8fd71 --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1,50 @@ +# Contribution guidelines + +First off, thank you for considering contributing to `example-cxx-xmake`. + +If your contribution is not straightforward, please first discuss the change you +wish to make by creating a new issue before making the change. + +## Reporting issues + +Before reporting an issue on the +[issue tracker](https://github.com/x-pt/example-cxx-xmake/issues), +please check that it has not already been reported by searching for some related +keywords. + +## Pull requests + +Try to do one pull request per change. + +### Updating the changelog + +Update the changes you have made in +[CHANGELOG](CHANGELOG.md) +file under the **Unreleased** section. + +Add the changes of your pull request to one of the following subsections, +depending on the types of changes defined by +[Keep a changelog](https://keepachangelog.com/en/1.0.0/): + +- `Added` for new features. +- `Changed` for changes in existing functionality. +- `Deprecated` for soon-to-be removed features. +- `Removed` for now removed features. +- `Fixed` for any bug fixes. +- `Security` in case of vulnerabilities. + +If the required subsection does not exist yet under **Unreleased**, create it! + +## Developing + +### Set up + +This is no different from other C++ projects. + +```shell +git clone https://github.com/x-pt/example-cxx-xmake +cd example-cxx-xmake +make test +``` + +### Useful Commands diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..0d8e03a --- /dev/null +++ b/Dockerfile @@ -0,0 +1,27 @@ +# BUILDING +FROM rockylinux:9 AS builder +LABEL author="X Author Name" +WORKDIR /app + +RUN sed -e 's|^mirrorlist=|#mirrorlist=|g' \ + -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl=https://mirrors.cernet.edu.cn/rocky|g' \ + -i.bak \ + /etc/yum.repos.d/rocky-extras.repo \ + /etc/yum.repos.d/rocky.repo && \ + dnf upgrade --refresh -y && \ + dnf groupinstall -y "Development Tools" + +# Copy source code +COPY . . + +# Build the project +RUN make build + +# DEPLOYING STAGE (distroless) +FROM gcr.io/distroless/static-debian12 + +# Copy the static binary from the builder stage +COPY --from=builder /app/build/bin/example-cxx-xmake /example-cxx-xmake + +# Set execution command +CMD ["/example-cxx-xmake"] diff --git a/LICENSE-APACHE b/LICENSE-APACHE new file mode 100644 index 0000000..1b5ec8b --- /dev/null +++ b/LICENSE-APACHE @@ -0,0 +1,176 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..541f8d7 --- /dev/null +++ b/Makefile @@ -0,0 +1,41 @@ +.PHONY: help init build image +.DEFAULT_GOAL := help + +APP_NAME := example-cxx-xmake + +# init +init: + @pre-commit install --hook-type commit-msg --hook-type pre-push + +# compile and build +build: + @xmake -y + +# run +run: + @./build/bin/$(APP_NAME) + +# test +test: + @./build/bin/$(APP_NAME)-tests + +# build image +image: + @docker image build -t $(APP_NAME) . + +# Show help +help: + @echo "" + @echo "Usage:" + @echo " make [target]" + @echo "" + @echo "Targets:" + @awk '/^[a-zA-Z\-_0-9]+:/ \ + { \ + helpMessage = match(lastLine, /^# (.*)/); \ + if (helpMessage) { \ + helpCommand = substr($$1, 0, index($$1, ":")-1); \ + helpMessage = substr(lastLine, RSTART + 2, RLENGTH); \ + printf "\033[36m%-22s\033[0m %s\n", helpCommand,helpMessage; \ + } \ + } { lastLine = $$0 }' $(MAKEFILE_LIST) diff --git a/README.md b/README.md new file mode 100644 index 0000000..96449db --- /dev/null +++ b/README.md @@ -0,0 +1,41 @@ +# example-cxx-xmake + +[![CI](https://github.com/x-pt/example-cxx-xmake/workflows/CI/badge.svg)](https://github.com/x-pt/example-cxx-xmake/actions) +[![Coverage Status](https://coveralls.io/repos/github/x-pt/example-cxx-xmake/badge.svg?branch=main)](https://coveralls.io/github/x-pt/example-cxx-xmake?branch=main) + +## Installation + +### Build + +- Ensure you have a C++ compiler installed (e.g., `g++`, `clang++`). + +- Install [XMake](https://xmake.io/#/guide/installation) and any necessary dependencies. + +- Clone the repository: + + ```sh + git clone https://github.com/x-pt/example-cxx-xmake.git + cd example-cxx-xmake + make build + make run + make test + ``` + +## License + +Licensed under either of + +- Apache License, Version 2.0 + ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0) +- MIT license + ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) + +at your option. + +## Contribution + +Unless you explicitly state otherwise, any contribution intentionally submitted +for inclusion in the work by you, as defined in the Apache-2.0 license, shall be +dual licensed as above, without any additional terms or conditions. + +See [CONTRIBUTING.md](CONTRIBUTING.md). diff --git a/SECURITY.md b/SECURITY.md new file mode 100644 index 0000000..abdcf15 --- /dev/null +++ b/SECURITY.md @@ -0,0 +1,25 @@ +# Security Policy + +## Supported Versions + + + +| Version | Supported | +|---------|--------------------| +| 5.1.x | :white_check_mark: | +| 5.0.x | :x: | +| 4.0.x | :white_check_mark: | +| < 4.0 | :x: | + +## Reporting a Vulnerability + + diff --git a/cliff.toml b/cliff.toml new file mode 100644 index 0000000..ac862f7 --- /dev/null +++ b/cliff.toml @@ -0,0 +1,131 @@ +# git-cliff ~ default configuration file +# https://git-cliff.org/docs/configuration +# +# Lines starting with "#" are comments. +# Configuration options are organized into tables and keys. +# See documentation for more information on available options. + +[remote.github] +owner = "x-pt" +repo = "example-cxx-xmake" + +[changelog] +# template for the changelog footer +header = """ +# Changelog\n +All notable changes to this project will be documented in this file.\n +""" +# template for the changelog body +# https://keats.github.io/tera/docs/#introduction +body = """ +{%- macro remote_url() -%} + https://github.com/{{ remote.github.owner }}/{{ remote.github.repo }} +{%- endmacro -%} + +{% macro print_commit(commit) -%} + - {% if commit.scope %}*({{ commit.scope }})* {% endif %}\ + {% if commit.breaking %}[**breaking**] {% endif %}\ + {{ commit.message | upper_first }} - \ + ([{{ commit.id | truncate(length=7, end="") }}]({{ self::remote_url() }}/commit/{{ commit.id }}))\ +{% endmacro -%} + +{% if version %}\ + {% if previous.version %}\ + ## [{{ version | trim_start_matches(pat="v") }}]\ + ({{ self::remote_url() }}/compare/{{ previous.version }}..{{ version }}) - {{ timestamp | date(format="%Y-%m-%d") }} + {% else %}\ + ## [{{ version | trim_start_matches(pat="v") }}] - {{ timestamp | date(format="%Y-%m-%d") }} + {% endif %}\ +{% else %}\ + ## [unreleased] +{% endif %}\ + +{% for group, commits in commits | group_by(attribute="group") %} + ### {{ group | striptags | trim | upper_first }} + {% for commit in commits + | filter(attribute="scope") + | sort(attribute="scope") %} + {{ self::print_commit(commit=commit) }} + {%- endfor %} + {% for commit in commits %} + {%- if not commit.scope -%} + {{ self::print_commit(commit=commit) }} + {% endif -%} + {% endfor -%} +{% endfor -%} +{%- if github -%} +{% if github.contributors | filter(attribute="is_first_time", value=true) | length != 0 %} + ## New Contributors โค๏ธ +{% endif %}\ +{% for contributor in github.contributors | filter(attribute="is_first_time", value=true) %} + * @{{ contributor.username }} made their first contribution + {%- if contributor.pr_number %} in \ + [#{{ contributor.pr_number }}]({{ self::remote_url() }}/pull/{{ contributor.pr_number }}) \ + {%- endif %} +{%- endfor -%} +{%- endif %} + + +""" + +# template for the changelog footer +footer = """ + +""" +# remove the leading and trailing s +trim = true +# postprocessors +postprocessors = [ + { pattern = '', replace = "https://github.com/x-pt/example-cxx-xmake" }, # replace repository URL +] + +[git] +# parse the commits based on https://www.conventionalcommits.org +conventional_commits = true +# filter out the commits that are not conventional +filter_unconventional = true +# process each line of a commit as an individual commit +split_commits = false +# regex for preprocessing the commit messages +commit_preprocessors = [ + # Replace issue numbers + { pattern = '\((\w+\s)?#([0-9]+)\)', replace = "([#${2}](/issues/${2}))"}, + # Check spelling of the commit with https://github.com/crate-ci/typos + # If the spelling is incorrect, it will be automatically fixed. + #{ pattern = '.*', replace_command = 'typos --write-changes -' }, +] +# regex for parsing and grouping commits +commit_parsers = [ + { message = "^feat", group = "๐Ÿš€ Features" }, + { message = "^fix", group = "๐Ÿ› Bug Fixes" }, + { message = "^doc", group = "๐Ÿ“š Documentation" }, + { message = "^perf", group = "โšก Performance" }, + { message = "^refactor", group = "๐Ÿšœ Refactor" }, + { message = "^style", group = "๐ŸŽจ Styling" }, + { message = "^test", group = "๐Ÿงช Testing" }, + { message = "^chore\\(release\\): prepare for", skip = true }, + { message = "^chore\\(release-bot\\): prepare for", skip = true }, + { message = "^chore: bump version to", skip = true }, + { message = "^chore\\(deps.*\\)", skip = true }, + { message = "^chore\\(pr\\)", skip = true }, + { message = "^chore\\(pull\\)", skip = true }, + { message = "^chore|^ci", group = "โš™๏ธ Miscellaneous Tasks" }, + { body = ".*security", group = "๐Ÿ›ก๏ธ Security" }, + { message = "^revert", group = "โ—€๏ธ Revert" }, +] +# protect breaking changes from being skipped due to matching a skipping commit_parser +protect_breaking_commits = false +# filter out the commits that are not matched by commit parsers +filter_commits = false +# regex for matching git tags +# tag_pattern = "v[0-9].*" +# regex for skipping tags +# skip_tags = "" +# regex for ignoring tags +# ignore_tags = "" +# sort the tags topologically +topo_order = false +# sort the commits inside sections by oldest/newest order +sort_commits = "newest" +# limit the number of commits included in the changelog. +# limit_commits = 42 diff --git a/compose.yml b/compose.yml new file mode 100644 index 0000000..d3d05dd --- /dev/null +++ b/compose.yml @@ -0,0 +1,11 @@ +service: + example_cxx_xmake: + build: . + image: example-cxx-xmake + +networks: + example_cxx_xmake-net: + name: example_cxx_xmake-net + ipam: + config: + - subnet: 172.16.238.0/24 diff --git a/include/my_lib.h b/include/my_lib.h new file mode 100644 index 0000000..156d621 --- /dev/null +++ b/include/my_lib.h @@ -0,0 +1,9 @@ +#pragma once + +#include +#include + +int add(int a, int b); +int sub(int a, int b); +int mul(int a, int b); +double divide(double a, double b); diff --git a/src/main.cpp b/src/main.cpp new file mode 100644 index 0000000..51c6848 --- /dev/null +++ b/src/main.cpp @@ -0,0 +1,83 @@ +#include +#include + +#include "cxxopts/cxxopts.hpp" +#include "httplib/httplib.h" + +int main(int argc, char* argv[]) { + try { + // Define the options + cxxopts::Options options("MyProgram", "A simple HTTP server with command-line options"); + + // Add command-line options + options.add_options() + ("h,help", "Print usage information") + ("m,mode", "Server mode", cxxopts::value()->default_value("")) + ("n,name", "Name of the user", cxxopts::value()) + ("v,verbose", "Enable verbose mode") + ("p,port", "Server port", cxxopts::value()->default_value("8080")); + + // Parse the arguments + auto result = options.parse(argc, argv); + + // Handle help option + if (result.count("help")) { + std::cout << options.help() << std::endl; + return 0; + } + + // Handle name option + if (result.count("name")) { + std::string name = result["name"].as(); + spdlog::info("Hello, {}!", name); + } else { + spdlog::info("Hello, World!"); + } + + // Handle verbose option + if (result.count("verbose")) { + spdlog::set_level(spdlog::level::debug); + spdlog::debug("Verbose mode is enabled."); + } + + // Check if server mode is specified + std::string mode = result["mode"].as(); + if (mode == "server") { + // Get port from command-line or use default + int port = result["port"].as(); + + // Start a simple server using cpp-httplib + httplib::Server svr; + + // Root route + svr.Get("/", [](const httplib::Request&, httplib::Response& res) { + res.set_content("Hello, World!", "text/plain"); + spdlog::info("Handled request at /"); + }); + + // Health check route + svr.Get("/health", [](const httplib::Request&, httplib::Response& res) { + res.set_content("Server is running", "text/plain"); + spdlog::info("Health check performed"); + }); + + spdlog::info("Starting server on http://localhost:{}", port); + if (!svr.listen("localhost", port)) { + spdlog::error("Failed to start server on port {}", port); + return 1; + } + } else if (!mode.empty()) { + spdlog::error("Invalid mode. Use --mode server to start the HTTP server."); + return 1; + } + + } catch (const cxxopts::exceptions::exception& e) { + spdlog::error("Error parsing options: {}", e.what()); + return 1; + } catch (const std::exception& e) { + spdlog::error("Unhandled exception: {}", e.what()); + return 1; + } + + return 0; +} diff --git a/src/my_lib.cpp b/src/my_lib.cpp new file mode 100644 index 0000000..6137ebd --- /dev/null +++ b/src/my_lib.cpp @@ -0,0 +1,20 @@ +#include "my_lib.h" + +int add(const int a, const int b) { + return a + b; +} + +int sub(const int a, const int b) { + return a - b; +} + +int mul(const int a, const int b) { + return a * b; +} + +double divide(const double a, const double b) { + if (b == 0.0) { + throw std::invalid_argument("Division by zero"); + } + return a / b; +} diff --git a/tests/test_my_lib.cpp b/tests/test_my_lib.cpp new file mode 100644 index 0000000..f40987b --- /dev/null +++ b/tests/test_my_lib.cpp @@ -0,0 +1,61 @@ +#include "gtest/gtest.h" +#include "my_lib.h" + +// Group: Add Function Tests +TEST(AddTest, HandlesZeroInputs) { + EXPECT_EQ(add(0, 0), 0); +} + +TEST(AddTest, HandlesPositiveInputs) { + EXPECT_EQ(add(1, 2), 3); + EXPECT_EQ(add(10, 5), 15); +} + +TEST(AddTest, HandlesNegativeInputs) { + EXPECT_EQ(add(-1, -2), -3); + EXPECT_EQ(add(-5, 5), 0); +} + +// Group: Subtract Function Tests +TEST(SubtractTest, HandlesZeroInputs) { + EXPECT_EQ(sub(0, 0), 0); +} + +TEST(SubtractTest, HandlesPositiveInputs) { + EXPECT_EQ(sub(10, 5), 5); + EXPECT_EQ(sub(5, 10), -5); +} + +TEST(SubtractTest, HandlesNegativeInputs) { + EXPECT_EQ(sub(-10, -5), -5); + EXPECT_EQ(sub(-5, -10), 5); +} + +// Group: Multiply Function Tests +TEST(MultiplyTest, HandlesZeroInputs) { + EXPECT_EQ(mul(0, 0), 0); +} + +TEST(MultiplyTest, HandlesPositiveInputs) { + EXPECT_EQ(mul(2, 3), 6); + EXPECT_EQ(mul(6, 3), 18); +} + +TEST(MultiplyTest, HandlesNegativeInputs) { + EXPECT_EQ(mul(-2, -3), 6); + EXPECT_EQ(mul(-2, 3), -6); +} + +// Group: Divide Function Tests +TEST(DivideTest, HandlesZeroDivision) { + EXPECT_THROW(divide(10.0, 0.0), std::invalid_argument); +} + +TEST(DivideTest, HandlesPositiveInputs) { + EXPECT_NEAR(divide(10.0, 3.0), 3.33333, 1e-5); + EXPECT_NEAR(divide(10.0, 2.0), 5.0, 1e-5); +} + +TEST(DivideTest, HandlesNegativeInputs) { + EXPECT_NEAR(divide(-10.0, 2.0), -5.0, 1e-5); +} diff --git a/tests/xmake.lua b/tests/xmake.lua new file mode 100644 index 0000000..0af945d --- /dev/null +++ b/tests/xmake.lua @@ -0,0 +1,16 @@ +-- Add Google Test package +add_requires("gtest", {configs = {main = true, gmock = true}}) + +-- Add test target +target("example-cxx-xmake-tests") + set_targetdir("$(buildir)/bin") + set_kind("binary") + add_files("*.cpp") + add_deps("example_cxx_xmake_lib") + add_packages("gtest") + add_links("gtest_main") + + if is_plat("windows") then + -- fixes "LINK : fatal error LNK1561: entry point must be defined" + add_ldflags("/subsystem:console") + end diff --git a/third_party/cxxopts/cxxopts.hpp b/third_party/cxxopts/cxxopts.hpp new file mode 100644 index 0000000..5bef619 --- /dev/null +++ b/third_party/cxxopts/cxxopts.hpp @@ -0,0 +1,2878 @@ +/* + +Copyright (c) 2014-2022 Jarryd Beck + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +*/ + +// vim: ts=2:sw=2:expandtab + +#ifndef CXXOPTS_HPP_INCLUDED +#define CXXOPTS_HPP_INCLUDED + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef CXXOPTS_NO_EXCEPTIONS +#include +#endif + +#if defined(__GNUC__) && !defined(__clang__) +# if (__GNUC__ * 10 + __GNUC_MINOR__) < 49 +# define CXXOPTS_NO_REGEX true +# endif +#endif +#if defined(_MSC_VER) && !defined(__clang__) +#define CXXOPTS_LINKONCE_CONST __declspec(selectany) extern +#define CXXOPTS_LINKONCE __declspec(selectany) extern +#else +#define CXXOPTS_LINKONCE_CONST +#define CXXOPTS_LINKONCE +#endif + +#ifndef CXXOPTS_NO_REGEX +# include +#endif // CXXOPTS_NO_REGEX + +// Nonstandard before C++17, which is coincidentally what we also need for +#ifdef __has_include +# if __has_include() +# include +# ifdef __cpp_lib_optional +# define CXXOPTS_HAS_OPTIONAL +# endif +# endif +#endif + +#define CXXOPTS_FALLTHROUGH +#ifdef __has_cpp_attribute + #if __has_cpp_attribute(fallthrough) + #undef CXXOPTS_FALLTHROUGH + #define CXXOPTS_FALLTHROUGH [[fallthrough]] + #endif +#endif + +#if __cplusplus >= 201603L +#define CXXOPTS_NODISCARD [[nodiscard]] +#else +#define CXXOPTS_NODISCARD +#endif + +#ifndef CXXOPTS_VECTOR_DELIMITER +#define CXXOPTS_VECTOR_DELIMITER ',' +#endif + +#define CXXOPTS__VERSION_MAJOR 3 +#define CXXOPTS__VERSION_MINOR 2 +#define CXXOPTS__VERSION_PATCH 0 + +#if (__GNUC__ < 10 || (__GNUC__ == 10 && __GNUC_MINOR__ < 1)) && __GNUC__ >= 6 + #define CXXOPTS_NULL_DEREF_IGNORE +#endif + +#if defined(__GNUC__) +#define DO_PRAGMA(x) _Pragma(#x) +#define CXXOPTS_DIAGNOSTIC_PUSH DO_PRAGMA(GCC diagnostic push) +#define CXXOPTS_DIAGNOSTIC_POP DO_PRAGMA(GCC diagnostic pop) +#define CXXOPTS_IGNORE_WARNING(x) DO_PRAGMA(GCC diagnostic ignored x) +#else +// define other compilers here if needed +#define CXXOPTS_DIAGNOSTIC_PUSH +#define CXXOPTS_DIAGNOSTIC_POP +#define CXXOPTS_IGNORE_WARNING(x) +#endif + +#ifdef CXXOPTS_NO_RTTI +#define CXXOPTS_RTTI_CAST static_cast +#else +#define CXXOPTS_RTTI_CAST dynamic_cast +#endif + +namespace cxxopts { +static constexpr struct { + uint8_t major, minor, patch; +} version = { + CXXOPTS__VERSION_MAJOR, + CXXOPTS__VERSION_MINOR, + CXXOPTS__VERSION_PATCH +}; +} // namespace cxxopts + +//when we ask cxxopts to use Unicode, help strings are processed using ICU, +//which results in the correct lengths being computed for strings when they +//are formatted for the help output +//it is necessary to make sure that can be found by the +//compiler, and that icu-uc is linked in to the binary. + +#ifdef CXXOPTS_USE_UNICODE +#include + +namespace cxxopts { + +using String = icu::UnicodeString; + +inline +String +toLocalString(std::string s) +{ + return icu::UnicodeString::fromUTF8(std::move(s)); +} + +// GNU GCC with -Weffc++ will issue a warning regarding the upcoming class, we want to silence it: +// warning: base class 'class std::enable_shared_from_this' has accessible non-virtual destructor +CXXOPTS_DIAGNOSTIC_PUSH +CXXOPTS_IGNORE_WARNING("-Wnon-virtual-dtor") +// This will be ignored under other compilers like LLVM clang. +class UnicodeStringIterator +{ + public: + + using iterator_category = std::forward_iterator_tag; + using value_type = int32_t; + using difference_type = std::ptrdiff_t; + using pointer = value_type*; + using reference = value_type&; + + UnicodeStringIterator(const icu::UnicodeString* string, int32_t pos) + : s(string) + , i(pos) + { + } + + value_type + operator*() const + { + return s->char32At(i); + } + + bool + operator==(const UnicodeStringIterator& rhs) const + { + return s == rhs.s && i == rhs.i; + } + + bool + operator!=(const UnicodeStringIterator& rhs) const + { + return !(*this == rhs); + } + + UnicodeStringIterator& + operator++() + { + ++i; + return *this; + } + + UnicodeStringIterator + operator+(int32_t v) + { + return UnicodeStringIterator(s, i + v); + } + + private: + const icu::UnicodeString* s; + int32_t i; +}; +CXXOPTS_DIAGNOSTIC_POP + +inline +String& +stringAppend(String&s, String a) +{ + return s.append(std::move(a)); +} + +inline +String& +stringAppend(String& s, std::size_t n, UChar32 c) +{ + for (std::size_t i = 0; i != n; ++i) + { + s.append(c); + } + + return s; +} + +template +String& +stringAppend(String& s, Iterator begin, Iterator end) +{ + while (begin != end) + { + s.append(*begin); + ++begin; + } + + return s; +} + +inline +size_t +stringLength(const String& s) +{ + return static_cast(s.length()); +} + +inline +std::string +toUTF8String(const String& s) +{ + std::string result; + s.toUTF8String(result); + + return result; +} + +inline +bool +empty(const String& s) +{ + return s.isEmpty(); +} + +} // namespace cxxopts + +namespace std { + +inline +cxxopts::UnicodeStringIterator +begin(const icu::UnicodeString& s) +{ + return cxxopts::UnicodeStringIterator(&s, 0); +} + +inline +cxxopts::UnicodeStringIterator +end(const icu::UnicodeString& s) +{ + return cxxopts::UnicodeStringIterator(&s, s.length()); +} + +} // namespace std + +//ifdef CXXOPTS_USE_UNICODE +#else + +namespace cxxopts { + +using String = std::string; + +template +T +toLocalString(T&& t) +{ + return std::forward(t); +} + +inline +std::size_t +stringLength(const String& s) +{ + return s.length(); +} + +inline +String& +stringAppend(String&s, const String& a) +{ + return s.append(a); +} + +inline +String& +stringAppend(String& s, std::size_t n, char c) +{ + return s.append(n, c); +} + +template +String& +stringAppend(String& s, Iterator begin, Iterator end) +{ + return s.append(begin, end); +} + +template +std::string +toUTF8String(T&& t) +{ + return std::forward(t); +} + +inline +bool +empty(const std::string& s) +{ + return s.empty(); +} + +} // namespace cxxopts + +//ifdef CXXOPTS_USE_UNICODE +#endif + +namespace cxxopts { + +namespace { +CXXOPTS_LINKONCE_CONST std::string LQUOTE("\'"); +CXXOPTS_LINKONCE_CONST std::string RQUOTE("\'"); +} // namespace + +// GNU GCC with -Weffc++ will issue a warning regarding the upcoming class, we +// want to silence it: warning: base class 'class +// std::enable_shared_from_this' has accessible non-virtual +// destructor This will be ignored under other compilers like LLVM clang. +CXXOPTS_DIAGNOSTIC_PUSH +CXXOPTS_IGNORE_WARNING("-Wnon-virtual-dtor") + +// some older versions of GCC warn under this warning +CXXOPTS_IGNORE_WARNING("-Weffc++") +class Value : public std::enable_shared_from_this +{ + public: + + virtual ~Value() = default; + + virtual + std::shared_ptr + clone() const = 0; + + virtual void + add(const std::string& text) const = 0; + + virtual void + parse(const std::string& text) const = 0; + + virtual void + parse() const = 0; + + virtual bool + has_default() const = 0; + + virtual bool + is_container() const = 0; + + virtual bool + has_implicit() const = 0; + + virtual std::string + get_default_value() const = 0; + + virtual std::string + get_implicit_value() const = 0; + + virtual std::shared_ptr + default_value(const std::string& value) = 0; + + virtual std::shared_ptr + implicit_value(const std::string& value) = 0; + + virtual std::shared_ptr + no_implicit_value() = 0; + + virtual bool + is_boolean() const = 0; +}; + +CXXOPTS_DIAGNOSTIC_POP + +namespace exceptions { + +class exception : public std::exception +{ + public: + explicit exception(std::string message) + : m_message(std::move(message)) + { + } + + CXXOPTS_NODISCARD + const char* + what() const noexcept override + { + return m_message.c_str(); + } + + private: + std::string m_message; +}; + +class specification : public exception +{ + public: + + explicit specification(const std::string& message) + : exception(message) + { + } +}; + +class parsing : public exception +{ + public: + explicit parsing(const std::string& message) + : exception(message) + { + } +}; + +class option_already_exists : public specification +{ + public: + explicit option_already_exists(const std::string& option) + : specification("Option " + LQUOTE + option + RQUOTE + " already exists") + { + } +}; + +class invalid_option_format : public specification +{ + public: + explicit invalid_option_format(const std::string& format) + : specification("Invalid option format " + LQUOTE + format + RQUOTE) + { + } +}; + +class invalid_option_syntax : public parsing { + public: + explicit invalid_option_syntax(const std::string& text) + : parsing("Argument " + LQUOTE + text + RQUOTE + + " starts with a - but has incorrect syntax") + { + } +}; + +class no_such_option : public parsing +{ + public: + explicit no_such_option(const std::string& option) + : parsing("Option " + LQUOTE + option + RQUOTE + " does not exist") + { + } +}; + +class missing_argument : public parsing +{ + public: + explicit missing_argument(const std::string& option) + : parsing( + "Option " + LQUOTE + option + RQUOTE + " is missing an argument" + ) + { + } +}; + +class option_requires_argument : public parsing +{ + public: + explicit option_requires_argument(const std::string& option) + : parsing( + "Option " + LQUOTE + option + RQUOTE + " requires an argument" + ) + { + } +}; + +class gratuitous_argument_for_option : public parsing +{ + public: + gratuitous_argument_for_option + ( + const std::string& option, + const std::string& arg + ) + : parsing( + "Option " + LQUOTE + option + RQUOTE + + " does not take an argument, but argument " + + LQUOTE + arg + RQUOTE + " given" + ) + { + } +}; + +class requested_option_not_present : public parsing +{ + public: + explicit requested_option_not_present(const std::string& option) + : parsing("Option " + LQUOTE + option + RQUOTE + " not present") + { + } +}; + +class option_has_no_value : public exception +{ + public: + explicit option_has_no_value(const std::string& option) + : exception( + !option.empty() ? + ("Option " + LQUOTE + option + RQUOTE + " has no value") : + "Option has no value") + { + } +}; + +class incorrect_argument_type : public parsing +{ + public: + explicit incorrect_argument_type + ( + const std::string& arg + ) + : parsing( + "Argument " + LQUOTE + arg + RQUOTE + " failed to parse" + ) + { + } +}; + +} // namespace exceptions + + +template +void throw_or_mimic(const std::string& text) +{ + static_assert(std::is_base_of::value, + "throw_or_mimic only works on std::exception and " + "deriving classes"); + +#ifndef CXXOPTS_NO_EXCEPTIONS + // If CXXOPTS_NO_EXCEPTIONS is not defined, just throw + throw T{text}; +#else + // Otherwise manually instantiate the exception, print what() to stderr, + // and exit + T exception{text}; + std::cerr << exception.what() << std::endl; + std::exit(EXIT_FAILURE); +#endif +} + +using OptionNames = std::vector; + +namespace values { + +namespace parser_tool { + +struct IntegerDesc +{ + std::string negative = ""; + std::string base = ""; + std::string value = ""; +}; +struct ArguDesc { + std::string arg_name = ""; + bool grouping = false; + bool set_value = false; + std::string value = ""; +}; + +#ifdef CXXOPTS_NO_REGEX +inline IntegerDesc SplitInteger(const std::string &text) +{ + if (text.empty()) + { + throw_or_mimic(text); + } + IntegerDesc desc; + const char *pdata = text.c_str(); + if (*pdata == '-') + { + pdata += 1; + desc.negative = "-"; + } + if (strncmp(pdata, "0x", 2) == 0) + { + pdata += 2; + desc.base = "0x"; + } + if (*pdata != '\0') + { + desc.value = std::string(pdata); + } + else + { + throw_or_mimic(text); + } + return desc; +} + +inline bool IsTrueText(const std::string &text) +{ + const char *pdata = text.c_str(); + if (*pdata == 't' || *pdata == 'T') + { + pdata += 1; + if (strncmp(pdata, "rue\0", 4) == 0) + { + return true; + } + } + else if (strncmp(pdata, "1\0", 2) == 0) + { + return true; + } + return false; +} + +inline bool IsFalseText(const std::string &text) +{ + const char *pdata = text.c_str(); + if (*pdata == 'f' || *pdata == 'F') + { + pdata += 1; + if (strncmp(pdata, "alse\0", 5) == 0) + { + return true; + } + } + else if (strncmp(pdata, "0\0", 2) == 0) + { + return true; + } + return false; +} + +inline OptionNames split_option_names(const std::string &text) +{ + OptionNames split_names; + + std::string::size_type token_start_pos = 0; + auto length = text.length(); + + if (length == 0) + { + throw_or_mimic(text); + } + + while (token_start_pos < length) { + const auto &npos = std::string::npos; + auto next_non_space_pos = text.find_first_not_of(' ', token_start_pos); + if (next_non_space_pos == npos) { + throw_or_mimic(text); + } + token_start_pos = next_non_space_pos; + auto next_delimiter_pos = text.find(',', token_start_pos); + if (next_delimiter_pos == token_start_pos) { + throw_or_mimic(text); + } + if (next_delimiter_pos == npos) { + next_delimiter_pos = length; + } + auto token_length = next_delimiter_pos - token_start_pos; + // validate the token itself matches the regex /([:alnum:][-_[:alnum:]]*/ + { + const char* option_name_valid_chars = + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz" + "0123456789" + "_-.?"; + + if (!std::isalnum(text[token_start_pos], std::locale::classic()) || + text.find_first_not_of(option_name_valid_chars, token_start_pos) < next_delimiter_pos) { + throw_or_mimic(text); + } + } + split_names.emplace_back(text.substr(token_start_pos, token_length)); + token_start_pos = next_delimiter_pos + 1; + } + return split_names; +} + +inline ArguDesc ParseArgument(const char *arg, bool &matched) +{ + ArguDesc argu_desc; + const char *pdata = arg; + matched = false; + if (strncmp(pdata, "--", 2) == 0) + { + pdata += 2; + if (isalnum(*pdata, std::locale::classic())) + { + argu_desc.arg_name.push_back(*pdata); + pdata += 1; + while (isalnum(*pdata, std::locale::classic()) || *pdata == '-' || *pdata == '_') + { + argu_desc.arg_name.push_back(*pdata); + pdata += 1; + } + if (argu_desc.arg_name.length() > 1) + { + if (*pdata == '=') + { + argu_desc.set_value = true; + pdata += 1; + if (*pdata != '\0') + { + argu_desc.value = std::string(pdata); + } + matched = true; + } + else if (*pdata == '\0') + { + matched = true; + } + } + } + } + else if (strncmp(pdata, "-", 1) == 0) + { + pdata += 1; + argu_desc.grouping = true; + while (isalnum(*pdata, std::locale::classic())) + { + argu_desc.arg_name.push_back(*pdata); + pdata += 1; + } + matched = !argu_desc.arg_name.empty() && *pdata == '\0'; + } + return argu_desc; +} + +#else // CXXOPTS_NO_REGEX + +namespace { +CXXOPTS_LINKONCE +const char* const integer_pattern = + "(-)?(0x)?([0-9a-zA-Z]+)|((0x)?0)"; +CXXOPTS_LINKONCE +const char* const truthy_pattern = + "(t|T)(rue)?|1"; +CXXOPTS_LINKONCE +const char* const falsy_pattern = + "(f|F)(alse)?|0"; +CXXOPTS_LINKONCE +const char* const option_pattern = + "--([[:alnum:]][-_[:alnum:]\\.]+)(=(.*))?|-([[:alnum:]].*)"; +CXXOPTS_LINKONCE +const char* const option_specifier_pattern = + "([[:alnum:]][-_[:alnum:]\\.]*)(,[ ]*[[:alnum:]][-_[:alnum:]]*)*"; +CXXOPTS_LINKONCE +const char* const option_specifier_separator_pattern = ", *"; + +} // namespace + +inline IntegerDesc SplitInteger(const std::string &text) +{ + static const std::basic_regex integer_matcher(integer_pattern); + + std::smatch match; + std::regex_match(text, match, integer_matcher); + + if (match.length() == 0) + { + throw_or_mimic(text); + } + + IntegerDesc desc; + desc.negative = match[1]; + desc.base = match[2]; + desc.value = match[3]; + + if (match.length(4) > 0) + { + desc.base = match[5]; + desc.value = "0"; + return desc; + } + + return desc; +} + +inline bool IsTrueText(const std::string &text) +{ + static const std::basic_regex truthy_matcher(truthy_pattern); + std::smatch result; + std::regex_match(text, result, truthy_matcher); + return !result.empty(); +} + +inline bool IsFalseText(const std::string &text) +{ + static const std::basic_regex falsy_matcher(falsy_pattern); + std::smatch result; + std::regex_match(text, result, falsy_matcher); + return !result.empty(); +} + +// Gets the option names specified via a single, comma-separated string, +// and returns the separate, space-discarded, non-empty names +// (without considering which or how many are single-character) +inline OptionNames split_option_names(const std::string &text) +{ + static const std::basic_regex option_specifier_matcher(option_specifier_pattern); + if (!std::regex_match(text.c_str(), option_specifier_matcher)) + { + throw_or_mimic(text); + } + + OptionNames split_names; + + static const std::basic_regex option_specifier_separator_matcher(option_specifier_separator_pattern); + constexpr int use_non_matches { -1 }; + auto token_iterator = std::sregex_token_iterator( + text.begin(), text.end(), option_specifier_separator_matcher, use_non_matches); + std::copy(token_iterator, std::sregex_token_iterator(), std::back_inserter(split_names)); + return split_names; +} + +inline ArguDesc ParseArgument(const char *arg, bool &matched) +{ + static const std::basic_regex option_matcher(option_pattern); + std::match_results result; + std::regex_match(arg, result, option_matcher); + matched = !result.empty(); + + ArguDesc argu_desc; + if (matched) { + argu_desc.arg_name = result[1].str(); + argu_desc.set_value = result[2].length() > 0; + argu_desc.value = result[3].str(); + if (result[4].length() > 0) + { + argu_desc.grouping = true; + argu_desc.arg_name = result[4].str(); + } + } + + return argu_desc; +} + +#endif // CXXOPTS_NO_REGEX +#undef CXXOPTS_NO_REGEX +} // namespace parser_tool + +namespace detail { + +template +struct SignedCheck; + +template +struct SignedCheck +{ + template + void + operator()(bool negative, U u, const std::string& text) + { + if (negative) + { + if (u > static_cast((std::numeric_limits::min)())) + { + throw_or_mimic(text); + } + } + else + { + if (u > static_cast((std::numeric_limits::max)())) + { + throw_or_mimic(text); + } + } + } +}; + +template +struct SignedCheck +{ + template + void + operator()(bool, U, const std::string&) const {} +}; + +template +void +check_signed_range(bool negative, U value, const std::string& text) +{ + SignedCheck::is_signed>()(negative, value, text); +} + +} // namespace detail + +template +void +checked_negate(R& r, T&& t, const std::string&, std::true_type) +{ + // if we got to here, then `t` is a positive number that fits into + // `R`. So to avoid MSVC C4146, we first cast it to `R`. + // See https://github.com/jarro2783/cxxopts/issues/62 for more details. + r = static_cast(-static_cast(t-1)-1); +} + +template +void +checked_negate(R&, T&&, const std::string& text, std::false_type) +{ + throw_or_mimic(text); +} + +template +void +integer_parser(const std::string& text, T& value) +{ + parser_tool::IntegerDesc int_desc = parser_tool::SplitInteger(text); + + using US = typename std::make_unsigned::type; + constexpr bool is_signed = std::numeric_limits::is_signed; + + const bool negative = int_desc.negative.length() > 0; + const uint8_t base = int_desc.base.length() > 0 ? 16 : 10; + const std::string & value_match = int_desc.value; + + US result = 0; + + for (char ch : value_match) + { + US digit = 0; + + if (ch >= '0' && ch <= '9') + { + digit = static_cast(ch - '0'); + } + else if (base == 16 && ch >= 'a' && ch <= 'f') + { + digit = static_cast(ch - 'a' + 10); + } + else if (base == 16 && ch >= 'A' && ch <= 'F') + { + digit = static_cast(ch - 'A' + 10); + } + else + { + throw_or_mimic(text); + } + + US limit = 0; + if (negative) + { + limit = static_cast(std::abs(static_cast(std::numeric_limits::min()))); + } + else + { + limit = std::numeric_limits::max(); + } + + if (base != 0 && result > limit / base) + { + throw_or_mimic(text); + } + if (result * base > limit - digit) + { + throw_or_mimic(text); + } + + result = static_cast(result * base + digit); + } + + detail::check_signed_range(negative, result, text); + + if (negative) + { + checked_negate(value, result, text, std::integral_constant()); + } + else + { + value = static_cast(result); + } +} + +template +void stringstream_parser(const std::string& text, T& value) +{ + std::stringstream in(text); + in >> value; + if (!in) { + throw_or_mimic(text); + } +} + +template ::value>::type* = nullptr + > +void parse_value(const std::string& text, T& value) +{ + integer_parser(text, value); +} + +inline +void +parse_value(const std::string& text, bool& value) +{ + if (parser_tool::IsTrueText(text)) + { + value = true; + return; + } + + if (parser_tool::IsFalseText(text)) + { + value = false; + return; + } + + throw_or_mimic(text); +} + +inline +void +parse_value(const std::string& text, std::string& value) +{ + value = text; +} + +// The fallback parser. It uses the stringstream parser to parse all types +// that have not been overloaded explicitly. It has to be placed in the +// source code before all other more specialized templates. +template ::value>::type* = nullptr + > +void +parse_value(const std::string& text, T& value) { + stringstream_parser(text, value); +} + +template +void +parse_value(const std::string& text, std::vector& value) +{ + if (text.empty()) { + T v; + parse_value(text, v); + value.emplace_back(std::move(v)); + return; + } + std::stringstream in(text); + std::string token; + while(!in.eof() && std::getline(in, token, CXXOPTS_VECTOR_DELIMITER)) { + T v; + parse_value(token, v); + value.emplace_back(std::move(v)); + } +} + +template +void +add_value(const std::string& text, T& value) +{ + parse_value(text, value); +} + +template +void +add_value(const std::string& text, std::vector& value) +{ + T v; + add_value(text, v); + value.emplace_back(std::move(v)); +} + +#ifdef CXXOPTS_HAS_OPTIONAL +template +void +parse_value(const std::string& text, std::optional& value) +{ + T result; + parse_value(text, result); + value = std::move(result); +} +#endif + +inline +void parse_value(const std::string& text, char& c) +{ + if (text.length() != 1) + { + throw_or_mimic(text); + } + + c = text[0]; +} + +template +struct type_is_container +{ + static constexpr bool value = false; +}; + +template +struct type_is_container> +{ + static constexpr bool value = true; +}; + +template +class abstract_value : public Value +{ + using Self = abstract_value; + + public: + abstract_value() + : m_result(std::make_shared()) + , m_store(m_result.get()) + { + } + + explicit abstract_value(T* t) + : m_store(t) + { + } + + ~abstract_value() override = default; + + abstract_value& operator=(const abstract_value&) = default; + + abstract_value(const abstract_value& rhs) + { + if (rhs.m_result) + { + m_result = std::make_shared(); + m_store = m_result.get(); + } + else + { + m_store = rhs.m_store; + } + + m_default = rhs.m_default; + m_implicit = rhs.m_implicit; + m_default_value = rhs.m_default_value; + m_implicit_value = rhs.m_implicit_value; + } + + void + add(const std::string& text) const override + { + add_value(text, *m_store); + } + + void + parse(const std::string& text) const override + { + parse_value(text, *m_store); + } + + bool + is_container() const override + { + return type_is_container::value; + } + + void + parse() const override + { + parse_value(m_default_value, *m_store); + } + + bool + has_default() const override + { + return m_default; + } + + bool + has_implicit() const override + { + return m_implicit; + } + + std::shared_ptr + default_value(const std::string& value) override + { + m_default = true; + m_default_value = value; + return shared_from_this(); + } + + std::shared_ptr + implicit_value(const std::string& value) override + { + m_implicit = true; + m_implicit_value = value; + return shared_from_this(); + } + + std::shared_ptr + no_implicit_value() override + { + m_implicit = false; + return shared_from_this(); + } + + std::string + get_default_value() const override + { + return m_default_value; + } + + std::string + get_implicit_value() const override + { + return m_implicit_value; + } + + bool + is_boolean() const override + { + return std::is_same::value; + } + + const T& + get() const + { + if (m_store == nullptr) + { + return *m_result; + } + return *m_store; + } + + protected: + std::shared_ptr m_result{}; + T* m_store{}; + + bool m_default = false; + bool m_implicit = false; + + std::string m_default_value{}; + std::string m_implicit_value{}; +}; + +template +class standard_value : public abstract_value +{ + public: + using abstract_value::abstract_value; + + CXXOPTS_NODISCARD + std::shared_ptr + clone() const override + { + return std::make_shared>(*this); + } +}; + +template <> +class standard_value : public abstract_value +{ + public: + ~standard_value() override = default; + + standard_value() + { + set_default_and_implicit(); + } + + explicit standard_value(bool* b) + : abstract_value(b) + { + m_implicit = true; + m_implicit_value = "true"; + } + + std::shared_ptr + clone() const override + { + return std::make_shared>(*this); + } + + private: + + void + set_default_and_implicit() + { + m_default = true; + m_default_value = "false"; + m_implicit = true; + m_implicit_value = "true"; + } +}; + +} // namespace values + +template +std::shared_ptr +value() +{ + return std::make_shared>(); +} + +template +std::shared_ptr +value(T& t) +{ + return std::make_shared>(&t); +} + +class OptionAdder; + +CXXOPTS_NODISCARD +inline +const std::string& +first_or_empty(const OptionNames& long_names) +{ + static const std::string empty{""}; + return long_names.empty() ? empty : long_names.front(); +} + +class OptionDetails +{ + public: + OptionDetails + ( + std::string short_, + OptionNames long_, + String desc, + std::shared_ptr val + ) + : m_short(std::move(short_)) + , m_long(std::move(long_)) + , m_desc(std::move(desc)) + , m_value(std::move(val)) + , m_count(0) + { + m_hash = std::hash{}(first_long_name() + m_short); + } + + OptionDetails(const OptionDetails& rhs) + : m_desc(rhs.m_desc) + , m_value(rhs.m_value->clone()) + , m_count(rhs.m_count) + { + } + + OptionDetails(OptionDetails&& rhs) = default; + + CXXOPTS_NODISCARD + const String& + description() const + { + return m_desc; + } + + CXXOPTS_NODISCARD + const Value& + value() const { + return *m_value; + } + + CXXOPTS_NODISCARD + std::shared_ptr + make_storage() const + { + return m_value->clone(); + } + + CXXOPTS_NODISCARD + const std::string& + short_name() const + { + return m_short; + } + + CXXOPTS_NODISCARD + const std::string& + first_long_name() const + { + return first_or_empty(m_long); + } + + CXXOPTS_NODISCARD + const std::string& + essential_name() const + { + return m_long.empty() ? m_short : m_long.front(); + } + + CXXOPTS_NODISCARD + const OptionNames & + long_names() const + { + return m_long; + } + + std::size_t + hash() const + { + return m_hash; + } + + private: + std::string m_short{}; + OptionNames m_long{}; + String m_desc{}; + std::shared_ptr m_value{}; + int m_count; + + std::size_t m_hash{}; +}; + +struct HelpOptionDetails +{ + std::string s; + OptionNames l; + String desc; + bool has_default; + std::string default_value; + bool has_implicit; + std::string implicit_value; + std::string arg_help; + bool is_container; + bool is_boolean; +}; + +struct HelpGroupDetails +{ + std::string name{}; + std::string description{}; + std::vector options{}; +}; + +class OptionValue +{ + public: + void + add + ( + const std::shared_ptr& details, + const std::string& text + ) + { + ensure_value(details); + ++m_count; + m_value->add(text); + m_long_names = &details->long_names(); + } + + void + parse + ( + const std::shared_ptr& details, + const std::string& text + ) + { + ensure_value(details); + ++m_count; + m_value->parse(text); + m_long_names = &details->long_names(); + } + + void + parse_default(const std::shared_ptr& details) + { + ensure_value(details); + m_default = true; + m_long_names = &details->long_names(); + m_value->parse(); + } + + void + parse_no_value(const std::shared_ptr& details) + { + m_long_names = &details->long_names(); + } + +#if defined(CXXOPTS_NULL_DEREF_IGNORE) +CXXOPTS_DIAGNOSTIC_PUSH +CXXOPTS_IGNORE_WARNING("-Wnull-dereference") +#endif + + CXXOPTS_NODISCARD + std::size_t + count() const noexcept + { + return m_count; + } + +#if defined(CXXOPTS_NULL_DEREF_IGNORE) +CXXOPTS_DIAGNOSTIC_POP +#endif + + // TODO: maybe default options should count towards the number of arguments + CXXOPTS_NODISCARD + bool + has_default() const noexcept + { + return m_default; + } + + template + const T& + as() const + { + if (m_value == nullptr) { + throw_or_mimic( + m_long_names == nullptr ? "" : first_or_empty(*m_long_names)); + } + + return CXXOPTS_RTTI_CAST&>(*m_value).get(); + } + + private: + void + ensure_value(const std::shared_ptr& details) + { + if (m_value == nullptr) + { + m_value = details->make_storage(); + } + } + + + const OptionNames * m_long_names = nullptr; + // Holding this pointer is safe, since OptionValue's only exist in key-value pairs, + // where the key has the string we point to. + std::shared_ptr m_value{}; + std::size_t m_count = 0; + bool m_default = false; +}; + +class KeyValue +{ + public: + KeyValue(std::string key_, std::string value_) noexcept + : m_key(std::move(key_)) + , m_value(std::move(value_)) + { + } + + CXXOPTS_NODISCARD + const std::string& + key() const + { + return m_key; + } + + CXXOPTS_NODISCARD + const std::string& + value() const + { + return m_value; + } + + template + T + as() const + { + T result; + values::parse_value(m_value, result); + return result; + } + + private: + std::string m_key; + std::string m_value; +}; + +using ParsedHashMap = std::unordered_map; +using NameHashMap = std::unordered_map; + +class ParseResult +{ + public: + class Iterator + { + public: + using iterator_category = std::forward_iterator_tag; + using value_type = KeyValue; + using difference_type = void; + using pointer = const KeyValue*; + using reference = const KeyValue&; + + Iterator() = default; + Iterator(const Iterator&) = default; + +// GCC complains about m_iter not being initialised in the member +// initializer list +CXXOPTS_DIAGNOSTIC_PUSH +CXXOPTS_IGNORE_WARNING("-Weffc++") + Iterator(const ParseResult *pr, bool end=false) + : m_pr(pr) + { + if (end) + { + m_sequential = false; + m_iter = m_pr->m_defaults.end(); + } + else + { + m_sequential = true; + m_iter = m_pr->m_sequential.begin(); + + if (m_iter == m_pr->m_sequential.end()) + { + m_sequential = false; + m_iter = m_pr->m_defaults.begin(); + } + } + } +CXXOPTS_DIAGNOSTIC_POP + + Iterator& operator++() + { + ++m_iter; + if(m_sequential && m_iter == m_pr->m_sequential.end()) + { + m_sequential = false; + m_iter = m_pr->m_defaults.begin(); + return *this; + } + return *this; + } + + Iterator operator++(int) + { + Iterator retval = *this; + ++(*this); + return retval; + } + + bool operator==(const Iterator& other) const + { + return (m_sequential == other.m_sequential) && (m_iter == other.m_iter); + } + + bool operator!=(const Iterator& other) const + { + return !(*this == other); + } + + const KeyValue& operator*() + { + return *m_iter; + } + + const KeyValue* operator->() + { + return m_iter.operator->(); + } + + private: + const ParseResult* m_pr; + std::vector::const_iterator m_iter; + bool m_sequential = true; + }; + + ParseResult() = default; + ParseResult(const ParseResult&) = default; + + ParseResult(NameHashMap&& keys, ParsedHashMap&& values, std::vector sequential, + std::vector default_opts, std::vector&& unmatched_args) + : m_keys(std::move(keys)) + , m_values(std::move(values)) + , m_sequential(std::move(sequential)) + , m_defaults(std::move(default_opts)) + , m_unmatched(std::move(unmatched_args)) + { + } + + ParseResult& operator=(ParseResult&&) = default; + ParseResult& operator=(const ParseResult&) = default; + + Iterator + begin() const + { + return Iterator(this); + } + + Iterator + end() const + { + return Iterator(this, true); + } + + std::size_t + count(const std::string& o) const + { + auto iter = m_keys.find(o); + if (iter == m_keys.end()) + { + return 0; + } + + auto viter = m_values.find(iter->second); + + if (viter == m_values.end()) + { + return 0; + } + + return viter->second.count(); + } + + const OptionValue& + operator[](const std::string& option) const + { + auto iter = m_keys.find(option); + + if (iter == m_keys.end()) + { + throw_or_mimic(option); + } + + auto viter = m_values.find(iter->second); + + if (viter == m_values.end()) + { + throw_or_mimic(option); + } + + return viter->second; + } + + const std::vector& + arguments() const + { + return m_sequential; + } + + const std::vector& + unmatched() const + { + return m_unmatched; + } + + const std::vector& + defaults() const + { + return m_defaults; + } + + const std::string + arguments_string() const + { + std::string result; + for(const auto& kv: m_sequential) + { + result += kv.key() + " = " + kv.value() + "\n"; + } + for(const auto& kv: m_defaults) + { + result += kv.key() + " = " + kv.value() + " " + "(default)" + "\n"; + } + return result; + } + + private: + NameHashMap m_keys{}; + ParsedHashMap m_values{}; + std::vector m_sequential{}; + std::vector m_defaults{}; + std::vector m_unmatched{}; +}; + +struct Option +{ + Option + ( + std::string opts, + std::string desc, + std::shared_ptr value = ::cxxopts::value(), + std::string arg_help = "" + ) + : opts_(std::move(opts)) + , desc_(std::move(desc)) + , value_(std::move(value)) + , arg_help_(std::move(arg_help)) + { + } + + std::string opts_; + std::string desc_; + std::shared_ptr value_; + std::string arg_help_; +}; + +using OptionMap = std::unordered_map>; +using PositionalList = std::vector; +using PositionalListIterator = PositionalList::const_iterator; + +class OptionParser +{ + public: + OptionParser(const OptionMap& options, const PositionalList& positional, bool allow_unrecognised) + : m_options(options) + , m_positional(positional) + , m_allow_unrecognised(allow_unrecognised) + { + } + + ParseResult + parse(int argc, const char* const* argv); + + bool + consume_positional(const std::string& a, PositionalListIterator& next); + + void + checked_parse_arg + ( + int argc, + const char* const* argv, + int& current, + const std::shared_ptr& value, + const std::string& name + ); + + void + add_to_option(const std::shared_ptr& value, const std::string& arg); + + void + parse_option + ( + const std::shared_ptr& value, + const std::string& name, + const std::string& arg = "" + ); + + void + parse_default(const std::shared_ptr& details); + + void + parse_no_value(const std::shared_ptr& details); + + private: + + void finalise_aliases(); + + const OptionMap& m_options; + const PositionalList& m_positional; + + std::vector m_sequential{}; + std::vector m_defaults{}; + bool m_allow_unrecognised; + + ParsedHashMap m_parsed{}; + NameHashMap m_keys{}; +}; + +class Options +{ + public: + + explicit Options(std::string program_name, std::string help_string = "") + : m_program(std::move(program_name)) + , m_help_string(toLocalString(std::move(help_string))) + , m_custom_help("[OPTION...]") + , m_positional_help("positional parameters") + , m_show_positional(false) + , m_allow_unrecognised(false) + , m_width(76) + , m_tab_expansion(false) + , m_options(std::make_shared()) + { + } + + Options& + positional_help(std::string help_text) + { + m_positional_help = std::move(help_text); + return *this; + } + + Options& + custom_help(std::string help_text) + { + m_custom_help = std::move(help_text); + return *this; + } + + Options& + show_positional_help() + { + m_show_positional = true; + return *this; + } + + Options& + allow_unrecognised_options() + { + m_allow_unrecognised = true; + return *this; + } + + Options& + set_width(std::size_t width) + { + m_width = width; + return *this; + } + + Options& + set_tab_expansion(bool expansion=true) + { + m_tab_expansion = expansion; + return *this; + } + + ParseResult + parse(int argc, const char* const* argv); + + OptionAdder + add_options(std::string group = ""); + + void + add_options + ( + const std::string& group, + std::initializer_list