added: MainSpaceParser - starting writing a parser for main(argc, argv) arguments

(a Space object is returned)




git-svn-id: svn://ttmath.org/publicrep/pikotools/trunk@1019 e52654a7-88a9-db11-a3e9-0013d4bc506e
master
Tomasz Sowa 7 years ago
parent d9b583df76
commit 7b4b576489

@ -22,7 +22,7 @@ export LDFLAGS
export AR
all: space mainparser utf8 date
all: space mainparser mainspaceparser utf8 date
@ -33,6 +33,9 @@ space: FORCE
mainparser: FORCE
@cd mainparser ; $(MAKE) -e
mainspaceparser: FORCE
@cd mainspaceparser ; $(MAKE) -e
utf8: FORCE
@cd utf8 ; $(MAKE) -e
@ -49,11 +52,13 @@ FORCE:
clean:
@cd space ; $(MAKE) -e clean
@cd mainparser ; $(MAKE) -e clean
@cd mainspaceparser ; $(MAKE) -e clean
@cd utf8 ; $(MAKE) -e clean
@cd date ; $(MAKE) -e clean
depend:
@cd space ; $(MAKE) -e depend
@cd mainparser ; $(MAKE) -e depend
@cd mainspaceparser ; $(MAKE) -e depend
@cd utf8 ; $(MAKE) -e depend
@cd date ; $(MAKE) -e depend

@ -0,0 +1,27 @@
include Makefile.o.dep
libname=mainspaceparser.a
all: $(libname)
$(libname): $(o)
$(AR) rcs $(libname) $(o)
%.o: %.cpp
$(CXX) -c $(CXXFLAGS) -I.. $<
depend:
makedepend -Y. -I.. -f- *.cpp > Makefile.dep
echo -n "o = " > Makefile.o.dep
ls -1 *.cpp | xargs -I foo echo -n foo " " | sed -E "s/([^\.]*)\.cpp[ ]/\1\.o/g" >> Makefile.o.dep
clean:
rm -f *.o
rm -f $(libname)
include Makefile.dep

@ -0,0 +1,3 @@
# DO NOT DELETE
mainspaceparser.o: mainspaceparser.h ../space/space.h ../textstream/types.h

@ -0,0 +1 @@
o = mainspaceparser.o

@ -0,0 +1,242 @@
/*
* This file is a part of PikoTools
* and is distributed under the (new) BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2016, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name Tomasz Sowa nor the names of contributors to this
* project may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "mainspaceparser.h"
#include "utf8/utf8.h"
#include <string.h>
// REMOVE ME
#include <iostream>
namespace PT
{
MainSpaceParser::MainSpaceParser()
{
space = 0;
options_space = 0;
use_utf8 = true;
last_status = status_ok;
}
MainSpaceParser::~MainSpaceParser()
{
}
void MainSpaceParser::UTF8(bool utf8)
{
use_utf8 = utf8;
}
void MainSpaceParser::SetSpace(Space & space_ref)
{
space = &space_ref;
options_space = 0;
}
std::wstring & MainSpaceParser::GetErrorToken()
{
return last_error_token;
}
MainSpaceParser::Status MainSpaceParser::Parse(int argc, const char ** argv)
{
if( !space )
{
return status_space_not_assigned;
}
options_space = space->FindSpace(L"options");
last_status = status_ok;
last_error_token.clear();
for(size_t i=1 ; i < (size_t)argc && last_status == status_ok ; )
{
Parse((size_t)argc, argv, i);
}
return last_status;
}
void MainSpaceParser::Parse(size_t argc, const char ** argv, size_t & argv_index)
{
const char * pchar = argv[argv_index];
if( *pchar == '-' )
{
if( *(pchar+1) == '-' )
{
ParseMultiArgument(argc, argv, argv_index);
}
else
{
ParseSingleArgument(argc, argv, argv_index);
}
}
else
{
last_status = status_syntax_error;
ConvertStr(pchar, last_error_token);
}
}
void MainSpaceParser::ConvertStr(const char * src, std::wstring & dst)
{
if( use_utf8 )
{
PT::UTF8ToWide(src,dst);
}
else
{
dst.clear();
for( ; *src ; ++src )
dst += (wchar_t)(unsigned char)*src;
}
}
void MainSpaceParser::ParseSingleArgument(size_t argc, const char ** argv, size_t & argv_index)
{
ConvertStr(argv[argv_index] + 1, wide_arg);
const wchar_t * wide_pchar = wide_arg.c_str();
temp_list_val.clear();
bool was_option = false;
argv_index += 1;
for( ; *wide_pchar && !was_option ; ++wide_pchar )
{
temp_arg = *wide_pchar;
size_t opt_size = RequireOption(temp_arg);
if( opt_size > 0 )
{
was_option = true;
if( *(wide_pchar+1) )
{
temp_val = wide_pchar + 1;
temp_list_val.push_back(temp_val);
opt_size -= 1;
}
for( ; opt_size > 0 && argv_index < argc ; --opt_size, ++argv_index)
{
ConvertStr(argv[argv_index], temp_val);
temp_list_val.push_back(temp_val);
}
}
temp_val.clear();
if( temp_list_val.empty() )
space->Add(temp_arg, temp_val);
else
if( temp_list_val.size() == 1 )
space->Add(temp_arg, temp_list_val[0] );
else
space->table[temp_arg] = temp_list_val; // !! IMPROVE ME
}
}
void MainSpaceParser::ParseMultiArgument(size_t argc, const char ** argv, size_t & argv_index)
{
ConvertStr(argv[argv_index] + 2, wide_arg);
temp_val.clear();
/*
* IMPLEMENT ME
* add checking for files here
*
*/
space->Add(wide_arg, temp_val);
argv_index += 1;
}
size_t MainSpaceParser::RequireOption(const std::wstring & arg)
{
size_t res = 0;
if( options_space )
{
std::wstring * val = options_space->GetValue(arg);
if( val )
{
/*
* IMPLEMENT ME
* add a converter to convert/inttostr.h
*
*/
long res_long = wcstol(val->c_str(), 0, 10);
if( res_long < 0 )
res_long = 0;
res = (size_t)res_long;
//std::wcout << L"argument " << arg << L" needs " << res << L" options" << std::endl;
}
}
return res;
}
} // namespace

@ -0,0 +1,99 @@
/*
* This file is a part of PikoTools
* and is distributed under the (new) BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2016, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name Tomasz Sowa nor the names of contributors to this
* project may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef headerfile_picotools_mainspaceparser_mainparser
#define headerfile_picotools_mainspaceparser_mainparser
#include "space/space.h"
#include <string>
#include <vector>
namespace PT
{
/*
a very little parser for main(int argc, char ** argv) parameters
look in sample/sample.cpp how to use the parser
*/
class MainSpaceParser
{
public:
MainSpaceParser();
~MainSpaceParser();
enum Status
{
status_ok = 0,
status_space_not_assigned = 1,
status_syntax_error = 2,
};
void SetSpace(Space & space);
Status Parse(int argc, const char ** argv);
void UTF8(bool utf8);
std::wstring & GetErrorToken();
private:
Space * space;
Space * options_space;
std::wstring wide_arg, temp_arg, temp_val;
std::vector<std::wstring> temp_list_val;
bool use_utf8;
Status last_status;
std::wstring last_error_token;
void ConvertStr(const char * src, std::wstring & dst);
void Parse(size_t argc, const char ** argv, size_t & argv_index);
void ParseSingleArgument(size_t argc, const char ** argv, size_t & argv_index);
void ParseMultiArgument(size_t argc, const char ** argv, size_t & argv_index);
size_t RequireOption(const std::wstring & arg);
};
} // namespace
#endif
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