| 178 | } |
| 179 | |
| 180 | void FileObject::peekLine( S32 peekLineOffset, U8* line, S32 length ) |
| 181 | { |
| 182 | if(!mFileBuffer) |
| 183 | { |
| 184 | line[0] = '\0'; |
| 185 | return; |
| 186 | } |
| 187 | |
| 188 | // Copy the line into the buffer. We can't do this like readLine because |
| 189 | // we can't modify the file buffer. |
| 190 | S32 i = 0; |
| 191 | U32 tokPos = mCurPos; |
| 192 | S32 lineOffset = 0; |
| 193 | |
| 194 | //Lets push our tokPos up until we've offset the requested number of lines |
| 195 | while (lineOffset < peekLineOffset && tokPos <= mBufferSize) |
| 196 | { |
| 197 | if (mFileBuffer[tokPos] == '\r') |
| 198 | { |
| 199 | tokPos++; |
| 200 | if (mFileBuffer[tokPos] == '\n') |
| 201 | tokPos++; |
| 202 | lineOffset++; |
| 203 | continue; |
| 204 | } |
| 205 | |
| 206 | if (mFileBuffer[tokPos] == '\n') |
| 207 | { |
| 208 | tokPos++; |
| 209 | lineOffset++; |
| 210 | continue; |
| 211 | } |
| 212 | |
| 213 | tokPos++; |
| 214 | } |
| 215 | |
| 216 | //now peek that line, then return the results |
| 217 | while( ( tokPos != mBufferSize ) && ( mFileBuffer[tokPos] != '\r' ) && ( mFileBuffer[tokPos] != '\n' ) && ( i < ( length - 1 ) ) ) |
| 218 | line[i++] = mFileBuffer[tokPos++]; |
| 219 | |
| 220 | line[i++] = '\0'; |
| 221 | |
| 222 | //if( i == length ) |
| 223 | //Con::warnf( "FileObject::peekLine - The line contents could not fit in the buffer (size %d). Truncating.", length ); |
| 224 | } |
| 225 | |
| 226 | void FileObject::writeLine(const U8 *line) |
| 227 | { |