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https://github.com/libretro/beetle-pce-fast-libretro.git
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148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
/* Mednafen - Multi-system Emulator
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <string.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <file/file_path.h>
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#include <string>
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#include "general.h"
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#include "state.h"
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using namespace std;
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void MDFN_GetFilePathComponents(const std::string &file_path,
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std::string *dir_path_out, std::string *file_base_out,
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std::string *file_ext_out)
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{
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string file_name;
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size_t fn_final_dot; // in local var file_name
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string dir_path, file_base, file_ext; // Temporary output
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#ifdef _WIN32
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size_t final_ds = file_path.find_last_of('\\');
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size_t alt_final_ds = file_path.find_last_of('/');
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if(final_ds == string::npos || (alt_final_ds != string::npos && alt_final_ds > final_ds))
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final_ds = alt_final_ds;
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#else
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size_t final_ds = file_path.find_last_of('/');
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#endif
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if(final_ds == string::npos)
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{
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dir_path = string(".");
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file_name = file_path;
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}
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else
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{
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dir_path = file_path.substr(0, final_ds);
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file_name = file_path.substr(final_ds + 1);
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}
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fn_final_dot = file_name.find_last_of('.');
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if(fn_final_dot != string::npos)
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{
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file_base = file_name.substr(0, fn_final_dot);
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file_ext = file_name.substr(fn_final_dot);
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}
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else
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{
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file_base = file_name;
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file_ext = string("");
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}
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if(dir_path_out)
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*dir_path_out = dir_path;
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if(file_base_out)
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*file_base_out = file_base;
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if(file_ext_out)
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*file_ext_out = file_ext;
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}
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std::string MDFN_EvalFIP(const std::string &dir_path, const std::string &rel_path, bool skip_safety_check)
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{
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#ifdef _WIN32
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char slash = '\\';
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#else
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char slash = '/';
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#endif
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if(path_is_absolute(rel_path.c_str()))
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return(rel_path);
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return(dir_path + slash + rel_path);
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}
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// Remove whitespace from beginning of string
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void MDFN_ltrim(std::string &string)
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{
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size_t len = string.length();
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size_t si;
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bool InWhitespace = true;
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size_t di = si = 0;
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while(si < len)
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{
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if(InWhitespace && (string[si] == ' ' || string[si] == '\r' || string[si] == '\n' || string[si] == '\t' || string[si] == 0x0b)) { }
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else
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{
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InWhitespace = false;
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string[di] = string[si];
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di++;
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}
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si++;
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}
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string.resize(di);
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}
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// Remove whitespace from end of string
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void MDFN_rtrim(std::string &string)
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{
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size_t len = string.length();
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if(len)
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{
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size_t x = len;
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size_t new_len = len;
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do
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{
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x--;
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if(!(string[x] == ' ' || string[x] == '\r' || string[x] == '\n' || string[x] == '\t' || string[x] == 0x0b))
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break;
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new_len--;
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} while(x);
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string.resize(new_len);
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}
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}
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void MDFN_trim(std::string &string)
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{
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MDFN_rtrim(string);
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MDFN_ltrim(string);
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}
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