scummvm/devtools/skycpt/TextFile.cpp
2011-05-12 01:16:22 +02:00

95 lines
2.4 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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 program 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.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "stdafx.h"
#include "TextFile.h"
TextFile::TextFile(const char *name) {
FILE *inf = fopen(name, "r");
_lines = NULL;
if (!inf) {
printf("Unable to open file %s\n", name);
getchar();
} else {
read(inf);
fclose(inf);
}
}
uint32 crop(char *line) {
char *start = line;
while (*line)
if ((*line == 0xA) || (*line == 0xD))
*line = '\0';
else if ((line[0] == '/') && (line[1] == '/'))
*line = '\0';
else
line++;
while (((*(line - 1) == ' ') || ((*(line - 1)) == '\t')) && (line > start)) {
line--;
*line = '\0';
}
return (uint32)(line - start);
}
char *TextFile::giveLine(uint32 num) {
if (num >= _numLines)
return NULL;
else
return _lines[num];
}
void TextFile::read(FILE *inf) {
char *line = (char*)malloc(4096);
_lines = (char**)malloc(4096 * sizeof(char *));
_numLines = 0;
uint32 linesMax = 4096;
while (fgets(line, 4096, inf)) {
if (_numLines >= linesMax) {
_lines = (char**)realloc(_lines, linesMax * 2 * sizeof(char *));
linesMax *= 2;
}
char *start = line;
while ((*start == '\t') || (*start == ' '))
start++;
if (memcmp(start, "(int16)", 7) == 0) {
start += 7;
while ((*start == '\t') || (*start == ' '))
start++;
}
uint32 length = crop(start);
_lines[_numLines] = (char*)malloc(length + 1);
memcpy(_lines[_numLines], start, length + 1);
_numLines++;
}
free(line);
}
int32 TextFile::findLine(KmpSearch *kmp, uint32 fromLine) {
for (uint32 cnt = fromLine; cnt < _numLines; cnt++) {
if (kmp->search(_lines[cnt]))
return cnt;
}
return -1;
}