libraries/mrw-cxx
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moved doc/examples to examples according to new build process

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This commit is contained in:
Marc Wäckerlin
2015-03-17 12:58:27 +00:00
parent a729670ba7
commit 6d91c244c2
11 changed files with 139 additions and 10 deletions
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2
doc/doxyfile.in
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@@ -723,7 +723,7 @@ EXCLUDE_SYMBOLS =
# directories that contain example code fragments that are included (see
# the \include command).
EXAMPLE_PATH = @top_srcdir@
EXAMPLE_PATH = @top_srcdir@/examples
# If the value of the EXAMPLE_PATH tag contains directories, you can use the
# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp

95
doc/examples/arguments.cxx
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@@ -1,95 +0,0 @@
/*! @file
@id $Id$
*/
// 1 2 3 4 5 6 7 8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
#include <mrw/args.hxx>
#ifdef MRW__OLD_PRE11_COMPILER
#include <mrw/vector.hxx>
#endif
void test_func() {
std::cout<<"test parameter was given on command line"<<std::endl;
}
int main(int argc, char** argv) try {
// option variables
bool flag(false);
int r(5);
std::string txt("Hello World");
int x(0), y(0);
std::string description("This is an example for argument processing. If the "
"description is very long, it is automatically "
"splitted over several lines and indented on each "
"new line. Arguments may have several parameters. "
"Help is generated automatically from the argument "
"declaration. The argument declaration contains long "
"and short options and a list of parameters.");
std::string returns("Returns a status of 0 on success and 1 on any error.");
// bind and evaluate options
#ifdef MRW__OLD_PRE11_COMPILER
mrw::args::parse(argc, argv, description, mrw::args::defaults()
<<mrw::args::decl("h", "help", "show this help",
mrw::args::decl::param_list()
<<mrw::args::help()
<<mrw::args::exit())
<<mrw::args::decl("r", "repeat", "number of repetitions",
mrw::args::decl::param_list()
<<mrw::args::param(r, "number"))
<<mrw::args::decl("f", "flag", "check a flag",
mrw::args::decl::param_list()
<<mrw::args::param(flag))
<<mrw::args::decl("t", "text", "pass a text",
mrw::args::decl::param_list()
<<mrw::args::param(txt, "text"))
<<mrw::args::decl("c", "coord", "add some 2D coordinates",
mrw::args::decl::param_list()
<<mrw::args::param(x, "x")
<<mrw::args::param(y, "y"))
<<mrw::args::decl("", "test", "call test_func, no shortcut",
mrw::args::decl::param_list()
<<mrw::args::func(test_func)),
returns);
#else
mrw::args::parse(argc, argv,
description,
{
{"h", "help", "show this help",
{mrw::args::help(), mrw::args::exit()}},
{"r", "repeat", "number of repetitions",
{mrw::args::param(r, "number")}},
{"f", "flag",
"check a flag; this is a boolean, so it is false by "
"default and true if the user specifies the flag on "
"the command line", {mrw::args::param(flag)}},
{"t", "text", "pass a text",
{mrw::args::param(txt, "text")}},
{"c", "coord",
"add some 2D coordinates; this is an example on how "
"you can add more than one parameter",
{mrw::args::param(x, "x"),
mrw::args::param(y, "y")}},
{"", "test", "call test_func, no shortcut",
{mrw::args::func(test_func)}},
},
returns);
#endif
// show the result
std::cout<<std::endl
<<"commandline is parsed, these are the settings now:"<<std::endl
<<"r = "<<r<<std::endl
<<"flag = "<<(flag?"yes":"no")<<std::endl
<<"txt = "<<txt<<std::endl
<<"coordinates = "<<x<<", "<<y<<std::endl;
return 0;
} catch (const std::exception& x) {
std::cerr<<"**** ERROR: "<<x.what()<<std::endl;
return 1;
}

55
doc/examples/exceptionhandling.cxx
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@@ -1,55 +0,0 @@
#include <mrw/exception.hxx>
#include <mrw/stacktrace.hxx>
#include <exception>
#include <iostream>
void unexpectedHandler() {
try {
throw;
} catch (mrw::exception& x) {
mrw::StackTrace::createSymtable();
std::cerr<<"UNEXPECTED:"<<x.what()<<std::endl
<<"---------------------------Stack:"<<std::endl
<<x.stacktrace()
<<"---------------------------------"<<std::endl;
} catch (std::exception& x) {
std::cerr<<"UNEXPECTED:"<<x.what()<<std::endl;
} catch (...) {
std::cerr<<"UNKNOWN UNEXPECTED"<<std::endl;
}
throw std::bad_exception(); // try to recover
}
void fn2() throw(std::bad_exception) {
std::cout<<"enter fn2"<<std::endl;
throw mrw::exception(); // that's wrong, no exception excpected
std::cout<<"leave fn2"<<std::endl;
}
void fn1() throw(std::bad_exception) {
std::cout<<"enter fn1"<<std::endl;
fn2();
std::cout<<"leave fn1"<<std::endl;
}
void fn0() throw(std::bad_exception) {
std::cout<<"enter fn0"<<std::endl;
try {
fn1();
} catch (std::exception& x) {
std::cerr<<"EXCEPTION caught in fn0:"<<x.what()<<std::endl;
}
std::cout<<"leave fn0"<<std::endl;
}
int main() {
std::set_unexpected(&unexpectedHandler);
try {
std::cout<<"call fn0"<<std::endl;
fn0();
std::cout<<"call of fn0 successful"<<std::endl;
} catch (...) {
std::cerr<<"OOOPS!!!"<<std::endl;
}
return 0;
}

29
doc/examples/makefile.am
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@@ -1,29 +0,0 @@
## @id $Id$
## 1 2 3 4 5 6 7 8
## 45678901234567890123456789012345678901234567890123456789012345678901234567890
exampledir = ${docdir}/examples
example_PROGRAMS = smartpointer arguments shared
if HAVE_STACKTRACE
example_PROGRAMS += exceptionhandling
endif
example_DATA = ${smartpointer_SOURCES} ${exceptionhandling_SOURCES} \
${arguments_SOURCES}
CPPFLAGS = -I${top_srcdir}/src
LDFLAGS = -L${top_builddir}/src
if HAVE_STACKTRACE
exceptionhandling_SOURCES = exceptionhandling.cxx
exceptionhandling_LDADD = ${top_builddir}/src/.libs/libmrw.la
endif
smartpointer_SOURCES = smartpointer.cxx
smartpointer_LDADD = ${top_builddir}/src/.libs/libmrw.la
arguments_SOURCES = arguments.cxx
shared_SOURCES = shared.cxx
MAINTAINERCLEANFILES = makefile.in

30
doc/examples/shared.cxx
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@@ -1,30 +0,0 @@
/*! @file
@id $Id$
*/
// 1 2 3 4 5 6 7 8
// 45678901234567890123456789012345678901234567890123456789012345678901234567890
#include <mrw/shared.hxx>
#include <iostream>
class Test {
public:
Test(int i): _int1(i), _int2(0) {}
Test(int i, int j): _int1(i), _int2(j) {}
int _int1;
int _int2;
};
int main(int, char**) {
mrw::Shared<Test> test1(15);
mrw::Shared<Test> test2(13, 14);
mrw::Shared<Test> test3(new Test(13));
mrw::Shared<Test> test4(test2);
std::cout<<"test1="<<test1->_int1<<", "<<test1->_int2<<std::endl
<<"test2="<<test2->_int1<<", "<<test2->_int2<<std::endl
<<"test3="<<test3->_int1<<", "<<test3->_int2<<std::endl
<<"test4="<<test4->_int1<<", "<<test4->_int2<<std::endl;
return 0;
}

26
doc/examples/smartpointer.cxx
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@@ -1,26 +0,0 @@
#include <mrw/smartpointer.hxx>
class A {
public: int a;
public: virtual ~A() {}
protected: virtual void fn() {} // dynamic_cast requires a virtual function
};
class B: virtual public A {
public: int b;
};
int main(int, char**) {
mrw::SmartPointer<int> i1 = new int;
*i1 = 13;
mrw::SmartPointer<int> i2 = i1;
mrw::SmartPointer<int> i3;
if (!i3) i3 = i2;
*i2 = 666; // *i1 is now 666 too
mrw::SmartPointer<A> b1 = new B;
mrw::SmartPointer<B> b2 = b1; // b1 and b2 point to the same instance
b1->a = 0; // b1->b does not compile
b2->a = 1;
b2->b = 2;
return 0;
} // memory is automatically freed

6
doc/makefile.am
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@@ -5,9 +5,7 @@
## 1 2 3 4 5 6 7 8
## 45678901234567890123456789012345678901234567890123456789012345678901234567890
SUBDIRS = examples
ALL_SRC = $(shell find ${top_srcdir}/doc/examples ${top_srcdir}/src \
ALL_SRC = $(shell find ${top_srcdir}/examples ${top_srcdir}/src \
-name '*.[ch]xx')
# ${top_srcdir}/src/*.doc
@@ -47,4 +45,4 @@ install-data-hook:
uninstall-hook:
-chmod -R u+w $(DESTDIR)${docdir}
-rm -rf $(DESTDIR)${docdir}/*
-rm -rf $(DESTDIR)${docdir}/html