puzzles - My sgt-puzzles tree

	Commit message (Expand)	Author	Age
*	Introduce a mechanism in this source tree for building the container	Simon Tatham	2013-03-30

' href='#n14'>14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180

/***************************************************************************
 *
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2003 Stefan Meyer
 *
 * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#include "plugin.h"
#include "ctype.h"

PLUGIN_HEADER

#define BUFFER_SIZE 16384

static int fd;
static int fdw;

static int file_size;
static int results = 0;

static char buffer[BUFFER_SIZE+1];
static char search_string[60] ;

static int buffer_pos; /* Position of the buffer in the file */

static int line_end;   /* Index of the end of line */

char resultfile[MAX_PATH];
char path[MAX_PATH];

static int strpcasecmp(const char *s1, const char *s2){
    while (*s1 != '\0' && tolower(*s1) == tolower(*s2)) {
        s1++;
        s2++;
    }

    return (*s1 == '\0');
}

static void fill_buffer(int pos){
    int numread;
    int i;
    int found = false ;
    const char crlf = '\n';

    if (pos>=file_size-BUFFER_SIZE)
        pos = file_size-BUFFER_SIZE;
    if (pos<0)
        pos = 0;

    rb->lseek(fd, pos, SEEK_SET);
    numread = rb->read(fd, buffer, BUFFER_SIZE);

    buffer[numread] = 0;
    line_end = 0;

    for(i=0;i<numread;i++) {
        switch(buffer[i]) {
            case '\r':
                buffer[i] = ' ';
                break;
            case '\n':
                buffer[i] = 0;
                buffer_pos = pos + i +1 ;

                if (found){
                    /* write to playlist */
                    rb->write(fdw, &buffer[line_end],
                              rb->strlen( &buffer[line_end] ));
                    rb->write(fdw, &crlf, 1);

                    found = false ;
                    results++ ;
                }
                line_end = i +1 ;

                break;

            default:
                if (!found && tolower(buffer[i]) == tolower(search_string[0]))
                    found = strpcasecmp(&search_string[0],&buffer[i]) ;
                break;
        }
    }
    DEBUGF("\n-------------------\n");
}

static void search_buffer(void){
    buffer_pos = 0;

    fill_buffer(0);
    while ((buffer_pos+1) < file_size)
        fill_buffer(buffer_pos);
}

static void clear_display(void){
    int i;
    FOR_NB_SCREENS(i){
        rb->screens[i]->clear_display();
    }
}

static bool search_init(const char* file){
    rb->memset(search_string, 0, sizeof(search_string));

    if (!rb->kbd_input(search_string,sizeof search_string)){
        clear_display();
        rb->splash(0, "Searching...");
        fd = rb->open(file, O_RDONLY);
        if (fd==-1)
            return false;

        fdw = rb->creat(resultfile);

        if (fdw < 0) {
#ifdef HAVE_LCD_BITMAP
            rb->splash(HZ, "Failed to create result file!");
#else
            rb->splash(HZ, "File creation failed");
#endif
            return false;
        }

        file_size = rb->lseek(fd, 0, SEEK_END);

        return true;
    }

    return false ;
}

/* this is the plugin entry point */
enum plugin_status plugin_start(const void* parameter)
{
    int ok;
    const char *filename = parameter;
    char *p;

    DEBUGF("%s - %s\n", (char *)parameter, &filename[rb->strlen(filename)-4]);
    /* Check the extension. We only allow .m3u files. */
    if(rb->strcasecmp(&filename[rb->strlen(filename)-4], ".m3u") &&
       rb->strcasecmp(&filename[rb->strlen(filename)-5], ".m3u8")) {
        rb->splash(HZ, "Not a .m3u or .m3u8 file");
        return PLUGIN_ERROR;
    }

    rb->strcpy(path, filename);

    p = rb->strrchr(path, '/');
    if(p)
        *p = 0;

    rb->snprintf(resultfile, MAX_PATH, "%s/search_result.m3u", path);
    ok = search_init(parameter);
    if (!ok)
        return PLUGIN_ERROR;
    search_buffer();

    clear_display();
    rb->splash(HZ, "Done");
    rb->close(fdw);
    rb->close(fd);

    /* We fake a USB connection to force a reload of the file browser */
    return PLUGIN_USB_CONNECTED;
}