#include <stdio.h> /* for FILE etc */
#include <stdlib.h> /* for malloc */
+#include <unistd.h> /* for unlink */
+
+#define __USE_GNU /* for strcasestr */
#include <string.h> /* for making ftw.h happy */
#define _XOPEN_SOURCE 500
static int pnd_disco_callback ( const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftwbuf )
{
- unsigned char valid = 0; // 1 for plaintext PXML, 2 for PND...
+ unsigned char valid = pnd_object_type_unknown;
+ pnd_pxml_handle pxmlh = 0;
+ unsigned int pxml_close_pos = 0;
+
+ //printf ( "disco root callback encountered '%s'\n", fpath );
// PXML.xml is a possible application candidate (and not a dir named PXML.xml :)
if ( typeflag & FTW_D ) {
+ //printf ( " .. is dir, skipping\n" );
return ( 0 ); // skip directories and other non-regular files
}
// PND/PNZ file and others may be valid as well .. but lets leave that for now
+ // printf ( "%s %s\n", fpath + ftwbuf -> base, PND_PACKAGE_FILEEXT );
if ( strcasecmp ( fpath + ftwbuf -> base, PXML_FILENAME ) == 0 ) {
- valid = 1;
- } else if ( strcasecmp ( fpath + ftwbuf -> base, PND_PACKAGE_FILEEXT "\0" ) == 0 ) {
- valid = 2;
+ valid = pnd_object_type_directory;
+ } else if ( strcasestr ( fpath + ftwbuf -> base, PND_PACKAGE_FILEEXT "\0" ) ) {
+ valid = pnd_object_type_pnd;
}
// if not a file of interest, just keep looking until we run out
if ( ! valid ) {
+ //printf ( " .. bad filename, skipping\n" );
return ( 0 );
}
// potentially a valid application
- if ( valid == 1 ) {
+ if ( valid == pnd_object_type_directory ) {
// Plaintext PXML file
- //printf ( "disco callback encountered '%s'\n", fpath );
-
- pnd_pxml_handle pxmlh;
+ //printf ( "PXML: disco callback encountered '%s'\n", fpath );
// pick up the PXML if we can
-
pxmlh = pnd_pxml_fetch ( (char*) fpath );
- if ( ! pxmlh ) {
- return ( 0 ); // continue the scan
+ } else if ( valid == pnd_object_type_pnd ) {
+ // PND ... ??
+ FILE *f;
+ char pxmlbuf [ 32 * 1024 ]; // TBD: assuming 32k pxml accrual buffer is a little lame
+
+ //printf ( "PND: disco callback encountered '%s'\n", fpath );
+
+ // is this a valid .pnd file? The filename is a candidate already, but verify..
+ // .. presence of PXML appended, or at least contained within?
+ // .. presence of an icon appended after PXML?
+
+ // open it up..
+ f = fopen ( fpath, "r" );
+
+ // try to locate the PXML portion
+ if ( ! pnd_pnd_seek_pxml ( f ) ) {
+ fclose ( f );
+ return ( 0 ); // pnd or not, but not to spec. Pwn'd the pnd?
+ }
+
+ // accrue it into a buffer
+ if ( ! pnd_pnd_accrue_pxml ( f, pxmlbuf, 32 * 1024 ) ) {
+ fclose ( f );
+ return ( 0 );
}
+ //printf ( "buffer is %s\n", pxmlbuf );
+ //fflush ( stdout );
+
+#if 1 // icon
+ // for convenience, lets skip along past trailing newlines/CR's in hopes of finding icon data?
+ {
+ unsigned int pos = ftell ( f );
+ char pngbuffer [ 16 ]; // \211 P N G \r \n \032 \n
+ pngbuffer [ 0 ] = 137; pngbuffer [ 1 ] = 80; pngbuffer [ 2 ] = 78; pngbuffer [ 3 ] = 71;
+ pngbuffer [ 4 ] = 13; pngbuffer [ 5 ] = 10; pngbuffer [ 6 ] = 26; pngbuffer [ 7 ] = 10;
+ if ( fread ( pngbuffer + 8, 8, 1, f ) == 1 ) {
+ if ( memcmp ( pngbuffer, pngbuffer + 8, 8 ) == 0 ) {
+ pxml_close_pos = pos;
+ }
+ }
+ } // icon
+#endif
+
+ // by now, we have <PXML> .. </PXML>, try to parse..
+ pxmlh = pnd_pxml_fetch_buffer ( (char*) fpath, pxmlbuf );
+
+ // done with file
+ fclose ( f );
+
+ }
+
+ // pxmlh is useful?
+ if ( pxmlh ) {
+
// look for any overrides, if requested
pnd_pxml_merge_override ( pxmlh, disco_overrides );
// check for validity and add to resultset if it looks executable
if ( pnd_is_pxml_valid_app ( pxmlh ) ) {
pnd_disco_t *p;
+ char *fixpxml;
p = pnd_box_allocinsert ( disco_box, (char*) fpath, sizeof(pnd_disco_t) );
- p -> title_en = strdup ( pnd_pxml_get_app_name ( pxmlh ) );
- p -> icon = strdup ( pnd_pxml_get_icon_path ( pxmlh ) );
- p -> exec = strdup ( pnd_pxml_get_exec_path ( pxmlh ) );
- p -> unique_id = strdup ( pnd_pxml_get_unique_id ( pxmlh ) );
- p -> main_category = strdup ( pnd_pxml_get_primary_category ( pxmlh ) );
- p -> clockspeed = strdup ( pnd_pxml_get_clockspeed ( pxmlh ) );
+ // base paths
+ p -> object_path = strdup ( fpath );
+
+ if ( ( fixpxml = strcasestr ( p -> object_path, PXML_FILENAME ) ) ) {
+ *fixpxml = '\0'; // if this is not a .pnd, lop off the PXML.xml at the end
+ } else if ( ( fixpxml = strrchr ( p -> object_path, '/' ) ) ) {
+ *(fixpxml+1) = '\0'; // for pnd, lop off to last /
+ }
+
+ if ( ( fixpxml = strrchr ( fpath, '/' ) ) ) {
+ p -> object_filename = strdup ( fixpxml + 1 );
+ }
+
+ // png icon path
+ p -> pnd_icon_pos = pxml_close_pos;
+
+ // type
+ p -> object_type = valid;
+
+ // PXML fields
+ if ( pnd_pxml_get_app_name_en ( pxmlh ) ) {
+ p -> title_en = strdup ( pnd_pxml_get_app_name_en ( pxmlh ) );
+ }
+ if ( pnd_pxml_get_icon ( pxmlh ) ) {
+ p -> icon = strdup ( pnd_pxml_get_icon ( pxmlh ) );
+ }
+ if ( pnd_pxml_get_exec ( pxmlh ) ) {
+ p -> exec = strdup ( pnd_pxml_get_exec ( pxmlh ) );
+ }
+ if ( pnd_pxml_get_unique_id ( pxmlh ) ) {
+ p -> unique_id = strdup ( pnd_pxml_get_unique_id ( pxmlh ) );
+ }
+ if ( pnd_pxml_get_main_category ( pxmlh ) ) {
+ p -> main_category = strdup ( pnd_pxml_get_main_category ( pxmlh ) );
+ }
+ if ( pnd_pxml_get_clockspeed ( pxmlh ) ) {
+ p -> clockspeed = strdup ( pnd_pxml_get_clockspeed ( pxmlh ) );
+ }
+ if ( pnd_pxml_get_startdir ( pxmlh ) ) {
+ p -> startdir = strdup ( pnd_pxml_get_startdir ( pxmlh ) );
+ }
+
+ } else {
+ //printf ( "Invalid PXML; skipping.\n" );
}
// ditch pxml
pnd_pxml_delete ( pxmlh );
- } else if ( valid == 2 ) {
- // PND ... ??
- }
+ } // got a pxmlh
return ( 0 ); // continue the tree walk
}
return ( disco_box );
}
-
-unsigned char pnd_emit_dotdesktop ( char *targetpath, pnd_disco_t *p ) {
- char filename [ FILENAME_MAX ];
- char buffer [ 1024 ];
- FILE *f;
-
- // specification
- // http://standards.freedesktop.org/desktop-entry-spec
-
- // validation
-
- if ( ! p -> unique_id ) {
- return ( 0 );
- }
-
- if ( ! p -> exec ) {
- return ( 0 );
- }
-
- // set up
-
- sprintf ( filename, "%s/%s.desktop", targetpath, p -> unique_id );
-
- // emit
-
- //printf ( "EMIT DOTDESKTOP '%s'\n", filename );
-
- f = fopen ( filename, "w" );
-
- if ( ! f ) {
- return ( 0 );
- }
-
- if ( p -> title_en ) {
- snprintf ( buffer, 1020, "Name=%s\n", p -> title_en );
- fprintf ( f, "%s", buffer );
- }
-
- fprintf ( f, "Type=Application\n" );
- fprintf ( f, "Version=1.0\n" );
-
- if ( p -> icon ) {
- snprintf ( buffer, 1020, "Icon=%s\n", p -> icon );
- fprintf ( f, "%s", buffer );
- }
-
- if ( p -> description_en ) {
- snprintf ( buffer, 1020, "Comment=%s\n", p -> description_en );
- fprintf ( f, "%s", buffer );
- }
-
- if ( p -> startdir ) {
- snprintf ( buffer, 1020, "Path=%s\n", p -> startdir );
- fprintf ( f, "%s", buffer );
- } else {
- fprintf ( f, "Path=%s\n", PND_DEFAULT_WORKDIR );
- }
-
- if ( p -> exec ) {
- snprintf ( buffer, 1020, "Exec=%s\n", p -> exec );
- fprintf ( f, "%s", buffer );
- }
-
- fprintf ( f, "_Source=libpnd\n" ); // should we need to know 'who' created the file during trimming
-
- fclose ( f );
-
- return ( 1 );
-}