mpd/src/buffer2array.c

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/* the Music Player Daemon (MPD)
* (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com)
* This project's homepage is: http://www.musicpd.org
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "buffer2array.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int buffer2array(char * origBuffer, char *** array) {
int quotes = 0;
int count = 0;
int i;
int curr;
int * beginArray;
char * buffer = strdup(origBuffer);
int bufferLength = strlen(buffer);
char * markArray = malloc(sizeof(char)*(bufferLength+1));
for(curr=0;curr<bufferLength;curr++) {
if(!quotes && (buffer[curr]==' ' || buffer[curr]=='\t') ) {
markArray[curr] = '0';
}
else if(buffer[curr] == '\"') {
if(curr>0 && buffer[curr-1]!='\\') {
quotes = quotes?0:1;
markArray[curr] = '0';
}
else {
markArray[curr] = '1';
}
}
else {
markArray[curr] = '1';
}
if(markArray[curr]=='1') {
if(curr>0) {
if(markArray[curr-1]=='0') {
count++;
}
}
else {
count++;
}
}
}
markArray[bufferLength] = '\0';
if(!count) {
free(buffer);
free(markArray);
return count;
}
beginArray = malloc(sizeof(int)*count);
(*array) = malloc(sizeof(char *)*count);
count = 0;
for(curr=0;curr<bufferLength;curr++) {
if(markArray[curr]=='1') {
if(curr>0) {
if(markArray[curr-1]=='0') {
beginArray[count++] = curr;
}
}
else {
beginArray[count++] = curr;
}
}
else {
buffer[curr] = '\0';
}
}
for(i=0;i<count;i++) {
int len = strlen(buffer+beginArray[i])+1;
int arrayCurr = 0;
(*array)[i] = malloc(sizeof(char)*len);
for(curr=beginArray[i];buffer[curr]!='\0';curr++) {
if(buffer[curr]=='\\') {
if(buffer[curr+1]!='\0') {
curr++;
}
}
(*array)[i][arrayCurr++] = buffer[curr];
}
(*array)[i][arrayCurr] = '\0';
}
free(markArray);
free(beginArray);
free(buffer);
return count;
}
void freeArgArray(char ** array, int argArrayLength) {
int i;
if(argArrayLength==0) return;
for(i=0;i<argArrayLength;i++) {
free(array[i]);
}
free(array);
}