1937b1b1ae
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26288 a1c6a512-1295-4272-9138-f99709370657
138 lines
3.1 KiB
C
138 lines
3.1 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2010 Robert Bieber
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include "skin_scan.h"
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#include "skin_debug.h"
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#include "symbols.h"
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#include "skin_parser.h"
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/* Scanning Functions */
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/* Simple function to advance a char* past a comment */
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void skip_comment(char** document)
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{
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for(/*NO INIT*/;**document != '\n' && **document != '\0'; (*document)++);
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if(**document == '\n')
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(*document)++;
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}
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void skip_whitespace(char** document)
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{
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for(/*NO INIT*/; **document == ' ' || **document == '\t'; (*document)++);
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}
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char* scan_string(char** document)
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{
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char* cursor = *document;
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int length = 0;
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char* buffer = NULL;
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int i;
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while(*cursor != ARGLISTSEPERATESYM && *cursor != ARGLISTCLOSESYM &&
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*cursor != '\0')
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{
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if(*cursor == COMMENTSYM)
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{
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skip_comment(&cursor);
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continue;
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}
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if(*cursor == '\n')
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{
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skin_error(UNEXPECTED_NEWLINE);
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return NULL;
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}
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length++;
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cursor++;
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}
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/* Copying the string */
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cursor = *document;
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buffer = skin_alloc_string(length);
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buffer[length] = '\0';
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for(i = 0; i < length; i++)
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{
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if(*cursor == COMMENTSYM)
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{
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skip_comment(&cursor);
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i--;
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continue;
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}
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buffer[i] = *cursor;
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cursor++;
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}
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*document = cursor;
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return buffer;
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}
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int scan_int(char** document)
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{
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char* cursor = *document;
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int length = 0;
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char* buffer = NULL;
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int retval;
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int i;
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while(isdigit(*cursor) || *cursor == COMMENTSYM)
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{
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if(*cursor == COMMENTSYM)
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{
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skip_comment(&cursor);
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continue;
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}
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length++;
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cursor++;
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}
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buffer = skin_alloc_string(length);
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/* Copying to the buffer while avoiding comments */
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cursor = *document;
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buffer[length] = '\0';
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for(i = 0; i < length; i++)
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{
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if(*cursor == COMMENTSYM)
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{
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skip_comment(&cursor);
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i--;
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continue;
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}
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buffer[i] = *cursor;
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cursor++;
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}
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retval = atoi(buffer);
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free(buffer);
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*document = cursor;
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return retval;
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}
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