+++ /dev/null
-/* =========================================================================
-** Extended Template and Library
-** stringf Procedure Implementation
-** $Id$
-**
-** Copyright (c) 2002 Robert B. Quattlebaum Jr.
-** Copyright (c) 2007 Chris Moore
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-** General Public License for more details.
-**
-** === N O T E S ===========================================================
-**
-** This is an internal header file, included by other ETL headers.
-** You should not attempt to use it directly.
-**
-** ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __ETL__STRINGF_H
-#define __ETL__STRINGF_H
-
-/* === H E A D E R S ======================================================= */
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-
-#include <string>
-#include <cstdarg>
-#include <cstdlib>
-#include <cstdio>
-
-/* === M A C R O S ========================================================= */
-
-#ifndef ETL_STRPRINTF_MAX_LENGTH
-#define ETL_STRPRINTF_MAX_LENGTH (800)
-#endif
-
-#ifdef WIN32
-#define POPEN_BINARY_READ_TYPE "rb"
-#define POPEN_BINARY_WRITE_TYPE "wb"
-#else
-#define POPEN_BINARY_READ_TYPE "r"
-#define POPEN_BINARY_WRITE_TYPE "w"
-#endif
-
-/* === T Y P E D E F S ===================================================== */
-
-_ETL_BEGIN_CDECLS
-
-#if defined(__APPLE__) || defined(__CYGWIN__) || defined(_WIN32)
-#define ETL_NO_THROW
-#else
-#define ETL_NO_THROW throw()
-#endif
-
-// Prefer prototypes from glibc headers, since defining them ourselves
-// works around glibc security mechanisms
-
-#ifdef HAVE_VASPRINTF // This is the preferred method
- #ifndef __GLIBC__
- extern int vasprintf(char **,const char *,va_list)ETL_NO_THROW;
- #endif
-#else
-
-# ifdef HAVE_VSNPRINTF // This is the secondary method
- #ifndef __GLIBC__
- extern int vsnprintf(char *,size_t,const char*,va_list)ETL_NO_THROW;
- #endif
-# endif
-
-#endif
-
-#ifdef HAVE_VSSCANF
- #ifndef __GLIBC__
- extern int vsscanf(const char *,const char *,va_list)ETL_NO_THROW;
- #endif
-#else
-#define ETL_NO_VSTRSCANF
-#ifdef HAVE_SSCANF
- #ifndef __GLIBC__
- extern int sscanf(const char *buf, const char *format, ...)ETL_NO_THROW;
- #endif
-#endif
-#endif
-
-#include <unistd.h>
-
-_ETL_END_CDECLS
-
-/* === C L A S S E S & S T R U C T S ======================================= */
-
-_ETL_BEGIN_NAMESPACE
-
-inline std::string
-vstrprintf(const char *format, va_list args)
-{
-#ifdef HAVE_VASPRINTF // This is the preferred method (and safest)
- char *buffer;
- std::string ret;
- int i=vasprintf(&buffer,format,args);
- if (i>-1)
- {
- ret=buffer;
- free(buffer);
- }
- return ret;
-#else
-#ifdef HAVE_VSNPRINTF // This is the secondary method (Safe, but bulky)
-#warning etl::vstrprintf() has a maximum size of ETL_STRPRINTF_MAX_LENGTH in this configuration.
-#ifdef ETL_THREAD_SAFE
- char buffer[ETL_STRPRINTF_MAX_LENGTH];
-#else
- static char buffer[ETL_STRPRINTF_MAX_LENGTH];
-#endif
- vsnprintf(buffer,sizeof(buffer),format,args);
- return buffer;
-#else // This is the worst method (UNSAFE, but "works")
-#warning Potential for Buffer-overflow bug using vsprintf
-#define ETL_UNSAFE_STRPRINTF (true)
-// Here, we are doubling the size of the buffer to make this case
-// slightly more safe.
-#ifdef ETL_THREAD_SAFE
- char buffer[ETL_STRPRINTF_MAX_LENGTH*2];
-#else
- static char buffer[ETL_STRPRINTF_MAX_LENGTH*2];
-#endif
- vsprintf(buffer,format,args);
- return buffer;
-#endif
-#endif
-}
-
-inline std::string
-strprintf(const char *format, ...)
-{
- va_list args;
- va_start(args,format);
- return vstrprintf(format,args);
-}
-
-#ifndef ETL_NO_VSTRSCANF
-inline int
-vstrscanf(const std::string &data, const char*format, va_list args)
-{
- return vsscanf(data.c_str(),format,args);
-}
-
-inline int
-strscanf(const std::string &data, const char*format, ...)
-{
- va_list args;
- va_start(args,format);
- return vstrscanf(data, format,args);
-}
-#else
-
-#if defined (HAVE_SSCANF) && defined (__GNUC__)
-#define strscanf(data,format,...) sscanf(data.c_str(),format,__VA_ARGS__)
-#endif
-#endif
-
-
-#define stratof(X) (atof((X).c_str()))
-#define stratoi(X) (atoi((X).c_str()))
-
-inline std::string
-basename(const std::string &str)
-{
- std::string::const_iterator iter;
-
- if(str.size() == 1 && str[0] == ETL_DIRECTORY_SEPARATOR)
- return str;
-
- if(str.end()[-1]==ETL_DIRECTORY_SEPARATOR)
- iter=str.end()-2;
- else
- iter=str.end()-1;
-
- for(;iter!=str.begin();iter--)
- if(*iter==ETL_DIRECTORY_SEPARATOR)
- break;
-
- if (*iter==ETL_DIRECTORY_SEPARATOR)
- iter++;
-
- if(str.end()[-1]==ETL_DIRECTORY_SEPARATOR)
- return std::string(iter,str.end()-1);
-
- return std::string(iter,str.end());
-}
-
-inline std::string
-dirname(const std::string &str)
-{
- std::string::const_iterator iter;
-
- if(str.size() == 1 && str[0] == ETL_DIRECTORY_SEPARATOR)
- return str;
-
- if(str.end()[-1]==ETL_DIRECTORY_SEPARATOR)
- iter=str.end()-2;
- else
- iter=str.end()-1;
-
- for(;iter!=str.begin();iter--)
- if(*iter==ETL_DIRECTORY_SEPARATOR)
- break;
-
- if(iter==str.begin())
- {
- if (*iter==ETL_DIRECTORY_SEPARATOR)
- return "/";
- else
- return ".";
- }
-
- return std::string(str.begin(),iter);
-}
-
-// filename_extension("/f.e/d.c") => ".c"
-inline std::string
-filename_extension(const std::string &str)
-{
- std::string base = basename(str);
- std::string::size_type pos = base.find_last_of('.');
- if (pos == std::string::npos) return std::string();
- return base.substr(pos);
-}
-
-// filename_sans_extension("/f.e/d.c") => "/f.e/d"
-inline std::string
-filename_sans_extension(const std::string &str)
-{
- std::string base = basename(str);
- std::string::size_type pos = base.find_last_of('.');
- if (pos == std::string::npos) return str;
- std::string dir = dirname(str);
- if (dir == ".") return base.substr(0,pos);
- return dir + ETL_DIRECTORY_SEPARATOR + base.substr(0,pos);
-}
-
-inline bool
-is_absolute_path(const std::string &path)
-{
-#ifdef WIN32
- if(path.size()>=3 && path[1]==':' && (path[2]=='\\' || path[2]=='/'))
- return true;
-#endif
- if(!path.empty() && path[0]==ETL_DIRECTORY_SEPARATOR)
- return true;
- return false;
-}
-
-inline std::string
-unix_to_local_path(const std::string &path)
-{
- std::string ret;
- std::string::const_iterator iter;
- for(iter=path.begin();iter!=path.end();iter++)
- switch(*iter)
- {
- case '/':
- ret+=ETL_DIRECTORY_SEPARATOR;
- break;
- case '~':
- ret+='~';
- break;
- default:
- ret+=*iter;
- break;
- }
- return ret;
-}
-
-inline std::string
-current_working_directory()
-{
- char dir[256];
- std::string ret(getcwd(dir,sizeof(dir)));
- return ret;
-}
-
-inline std::string
-get_root_from_path(std::string path)
-{
- std::string ret;
- std::string::const_iterator iter;
-
- for(iter=path.begin();iter!=path.end();++iter)
- {
- if(*iter==ETL_DIRECTORY_SEPARATOR)
- break;
- ret+=*iter;
- }
- //if(iter!=path.end())
- ret+=ETL_DIRECTORY_SEPARATOR;
- return ret;
-}
-
-inline std::string
-remove_root_from_path(std::string path)
-{
- while(!path.empty())
- {
- if(path[0]==ETL_DIRECTORY_SEPARATOR)
- {
- path.erase(path.begin());
- return path;
- }
- path.erase(path.begin());
- }
- return path;
-}
-
-inline std::string
-cleanup_path(std::string path)
-{
- std::string ret;
-
- while(basename(path)=="."&&path.size()!=1)path=dirname(path);
-
- while(!path.empty())
- {
- std::string dir(get_root_from_path(path));
- if((dir=="../" || dir=="..\\") && ret.size())
- {
- ret=dirname(ret);
- if (*(ret.end()-1)!=ETL_DIRECTORY_SEPARATOR)
- ret+=ETL_DIRECTORY_SEPARATOR;
- }
- else if((dir!="./" && dir!=".\\") && dir!=".")
- ret+=dir;
- path=remove_root_from_path(path);
- }
- if (ret.size()==0)ret+='.';
-
- // Remove any trailing directory separators
- if(ret.size() && ret[ret.size()-1]==ETL_DIRECTORY_SEPARATOR)
- ret.erase(ret.begin()+ret.size()-1);
- return ret;
-}
-
-inline std::string
-absolute_path(std::string path)
-{
- std::string ret(current_working_directory());
-
- if(path.empty())
- return cleanup_path(ret);
- if(is_absolute_path(path))
- return cleanup_path(path);
- return cleanup_path(ret+ETL_DIRECTORY_SEPARATOR+path);
-}
-
-inline std::string
-relative_path(std::string curr_path,std::string dest_path)
-{
- // If dest_path is already a relative path,
- // then there is no need to do anything.
- if(!is_absolute_path(dest_path))
- dest_path=absolute_path(dest_path);
- else
- dest_path=cleanup_path(dest_path);
-
- if(!is_absolute_path(curr_path))
- curr_path=absolute_path(curr_path);
- else
- curr_path=cleanup_path(curr_path);
-
-#ifdef WIN32
- // If we are on windows and the dest path is on a different drive,
- // then there is no way to make a relative path to it.
- if(dest_path.size()>=3 && dest_path[1]==':' && dest_path[0]!=curr_path[0])
- return dest_path;
-#endif
-
- if(curr_path==dirname(dest_path))
- return basename(dest_path);
-
- while(!dest_path.empty() && !curr_path.empty() && get_root_from_path(dest_path)==get_root_from_path(curr_path))
- {
- dest_path=remove_root_from_path(dest_path);
- curr_path=remove_root_from_path(curr_path);
- }
-
- while(!curr_path.empty())
- {
- dest_path=std::string("..")+ETL_DIRECTORY_SEPARATOR+dest_path;
- curr_path=remove_root_from_path(curr_path);
- }
-
- return dest_path;
-}
-
-_ETL_END_NAMESPACE
-
-/* === E N D =============================================================== */
-
-#endif
projects / synfig.git / blobdiff