148 lines
2.8 KiB
C++
148 lines
2.8 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>
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#include "emuware/emuware.h"
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#include "trim.h"
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// Remove whitespace from beginning of string
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void MDFN_ltrim(char *string)
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{
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int32 di, si;
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bool InWhitespace = true;
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di = si = 0;
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while(string[si])
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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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{
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}
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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[di] = 0;
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}
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// Remove whitespace from end of string
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void MDFN_rtrim(char *string)
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{
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int32 len = strlen(string);
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if(len)
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{
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for(int32 x = len - 1; x >= 0; x--)
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{
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if(string[x] == ' ' || string[x] == '\r' || string[x] == '\n' || string[x] == '\t' || string[x] == 0x0b)
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string[x] = 0;
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else
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break;
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}
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}
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}
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void MDFN_trim(char *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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// 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 di, si;
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bool InWhitespace = true;
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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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{
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}
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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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char *MDFN_RemoveControlChars(char *str)
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{
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char *orig = str;
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if(str)
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{
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while(*str)
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{
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if((unsigned char)*str < 0x20)
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*str = 0x20;
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str++;
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}
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}
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return(orig);
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}
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