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#include "stdafx.h"
#include "TextFile.h"
TextFile::TextFile(char *name) {
FILE *inf = fopen(name, "r");
if (!inf) {
printf("Unable to open file %s\n", name);
getchar();
}
_lines = NULL;
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;
}
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