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README
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LibParserUtils -- a utility library for parser building
=======================================================
Overview
--------
LibParserUtils provides various pieces of functionality that are useful
when writing parsers. These are:
+ A number of character set convertors
+ Mapping of character set names to/from MIB enum values
+ UTF-8 and UTF-16 (host endian) support functions
+ Various simple data structures (resizeable buffer, stack, vector)
+ A UTF-8 input stream
Requirements
------------
LibParserUtils requires the following tools:
+ A C99 capable C compiler
+ GNU make or compatible
+ Perl (for the testcases)
+ Pkg-config (for the testcases)
+ doxygen (for the API documentation)
For enhanced charset support, LibParserUtils requires an iconv()
implementation. If you don't have an implementation of iconv(),
this requirement may be disabled: see the "Disabling iconv()
support" section, below.
Compilation
-----------
The exact type of build may be configured by passing parameters to make.
Common usage is described below.
For a static library:
$ make
For a shared library:
$ make COMPONENT_TYPE=lib-shared
For a static library with debug enabled:
$ make BUILD=debug
To cross-compile a static library:
$ make TARGET=<target-platform>
Verification
------------
The library's functionality may be verified, thus:
$ make test
If you wish to see test coverage statistics, run:
$ make coverage
Then open build/coverage/index.html in a web browser.
In both cases, ensure that the same parameters to make are passed as when
building the library.
(Un)installation
----------------
To install the library:
$ make install
Ensure that the same parameters to make are passed as when building the
library.
To specify the installation prefix:
$ make install PREFIX=/path/to/prefix
To specify a staging directory for packaging:
$ make install DESTDIR=/path/to/directory
Items will be installed to $(DESTDIR)$(PREFIX)/
To uninstall:
$ make uninstall
API documentation
-----------------
Use doxygen to auto-generate API documentation, thus:
$ make docs
Then open build/docs/html/index.html in a web browser.
The test driver code in test/ may also provide some useful pointers.
Disabling iconv() support
-------------------------
Without iconv() support enabled, libparserutils only supports the
following character sets:
+ UTF-16 (platform-native endian)
+ UTF-8
+ ISO-8859-n
+ Windows-125n
+ US-ASCII
To disable iconv() support in libparserutils, do the following:
$ echo "CFLAGS += -DWITHOUT_ICONV_FILTER" \
>Makefile.config.override
Then build libparserutils as normal.