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# C++ utilities
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Common C++ classes and routines used by my applications such as argument parser, IO and conversion utilities.
## Features
The library utilizes:
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* parsing command-line arguments and providing Bash completion
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* dealing with dates and times
* conversion of primitive data types to byte-buffers and vice versa (litte-endian and big-endian)
* common string conversions/operations, eg.
- character set conversion via iconv
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- split, join, find and replace
- conversion from number to string and vice verca
- encoding/decoding base-64
- building string without multiple heap allocations (string builder)
* IO
- reading/writing primitive data types of various sizes (little-endian and big-endian)
- reading/writing terminated strings and size-prefixed strings
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- reading/writing INI files
- reading bitwise
* building with CMake by providing some modules and templates
## Build instructions
### Requirements
#### Build-only dependencies
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* C++ compiler supporting C++14, tested with
- GNU g++
- Clang
- mingw-w64 g++
- Cygwin g++
* CMake (at least 3.3.0)
* cppunit for unit tests (optional)
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* Doxygen for API documentation (optional)
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* Graphviz for diagrams in the API documentation (optional)
* clang-format for tidying (optional)
#### Runtime dependencies
* The c++utilities library itself only needs
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- C/C++ standard library supporting C++14
- libiconv (might be part of glibc or provided as extra library)
* For dependencies of my other projects check the of these projects.
### How to build
Just run:
cd "path/to/build/directory"
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="/final/install/location" "path/to/projectdirectory"
make tidy # format source files (optional)
make check # build and run unit tests (optional)
make apidoc # build API documentation (optional)
make DESTDIR="/temporary/install/location" install
#### General notes
* Building with qmake is not supported anymore.
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* The make option ```-j``` can be used for concurrent compilation.
* ```LIB_SUFFIX```, ```LIB_SUFFIX_32``` and ```LIB_SUFFIX_64``` can be set to
specify a suffix for the library directory, eg. lib*64* or lib*32*. The 32/64 variants are only used when building for 32/64-bit architecture.
* By default the build system will *build* shared libs. To *build* also static libraries, set `ENABLE_STATIC_LIBS=ON`. To disable building shared libs
* By default the build system will prefer *linking against* shared libraries. To force *linking against* static libraries set `STATIC_LINKAGE=ON`.
However, this will only affect applications. To force linking statically when building shared libraries set `STATIC_LIBRARY_LINKAGE=ON`.
#### Building for Windows
Building for Windows with Mingw-w64 cross compiler can be utilized using a small
[cmake wrapper from Fedora](
${_arch}-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="/final/install/location" "path/to/source/directory"
make DESTDIR="/temporary/install/location" install-mingw-w64-strip
* To create the \*.ico file for the application icon ffmpeg/avconv is required.
* The target ```install-mingw-w64-strip``` in the example will only install files
suitable for creating a cross-compiler package and additionally strip the binaries.
#### Development builds
During development I find it useful to build all required projects (for instace c++utilities, qtutilities, tagparser and tageditor) as one big project.
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This can be easily achieved by using CMake's ```add_subdirectory()``` function. For project files
see the repository [subdirs]( For an example, see
[build instructions for Syncthing Tray](
For a debug build, just use ```-DCMAKE_BUILD_TYPE=Debug```.
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#### Arch Linux package
The repository [PKGBUILDs]( contains files
for building Arch Linux packages.
PKGBUILD files to build for Windows using the Mingw-w64 compiler are also included.
#### RPM packages
RPM \*.spec files can be found at [openSUSE Build Servide](
Those files have only been tested under Tumbleweed so far.
#### Gentoo
Packages are provided by perfect7gentleman; checkout his [repository](
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#### Cygwin
Scripts to build with Cygwin are provided by svnpenn. Checkout his
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### General notes
* There is a workaround for [GCC Bug 66145]( provided
in io/catchiofailure.h.
- remove unused features