filename | src/lxpaths.c |
changeset | 1041:5fcc39857c5c |
next | 1056:d0896e6530d6 |
author | nkeynes |
date | Sun Jun 28 10:39:51 2009 +0000 (14 years ago) |
permissions | -rw-r--r-- |
last change | Remove -Wl,-z,defs from dpkg build Add explicit library deps (so that optional libs are Recommended/Suggested) Tweak copyright file |
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nkeynes@1041 | 1 | /** |
nkeynes@1041 | 2 | * $Id$ |
nkeynes@1041 | 3 | * |
nkeynes@1041 | 4 | * GUI helper functions that aren't specific to any particular implementation. |
nkeynes@1041 | 5 | * |
nkeynes@1041 | 6 | * Copyright (c) 2009 Nathan Keynes. |
nkeynes@1041 | 7 | * |
nkeynes@1041 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@1041 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@1041 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@1041 | 11 | * (at your option) any later version. |
nkeynes@1041 | 12 | * |
nkeynes@1041 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@1041 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@1041 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@1041 | 16 | * GNU General Public License for more details. |
nkeynes@1041 | 17 | */ |
nkeynes@1041 | 18 | |
nkeynes@1041 | 19 | #include <ctype.h> |
nkeynes@1041 | 20 | #include <unistd.h> |
nkeynes@1041 | 21 | #include <wordexp.h> |
nkeynes@1041 | 22 | #include <glib/gstrfuncs.h> |
nkeynes@1041 | 23 | #include <glib/gutils.h> |
nkeynes@1041 | 24 | |
nkeynes@1041 | 25 | #include "gui.h" |
nkeynes@1041 | 26 | #include "config.h" |
nkeynes@1041 | 27 | |
nkeynes@1041 | 28 | static gchar *gui_paths[CONFIG_KEY_MAX]; |
nkeynes@1041 | 29 | |
nkeynes@1041 | 30 | /** |
nkeynes@1041 | 31 | * Test if we need to escape a path to prevent substitution mangling. |
nkeynes@1041 | 32 | * @return TRUE if the input value contains any character that doesn't |
nkeynes@1041 | 33 | * match [a-zA-Z0-9._@%/] (this will escape slightly more than it needs to, |
nkeynes@1041 | 34 | * but is safe) |
nkeynes@1041 | 35 | */ |
nkeynes@1041 | 36 | static gboolean path_needs_escaping( const gchar *value ) |
nkeynes@1041 | 37 | { |
nkeynes@1041 | 38 | const gchar *p = value; |
nkeynes@1041 | 39 | while( *p ) { |
nkeynes@1041 | 40 | if( !isalnum(*p) && *p != '.' && *p != '_' && |
nkeynes@1041 | 41 | *p != '@' && *p != '%' && *p != '/' ) { |
nkeynes@1041 | 42 | return TRUE; |
nkeynes@1041 | 43 | } |
nkeynes@1041 | 44 | p++; |
nkeynes@1041 | 45 | } |
nkeynes@1041 | 46 | return FALSE; |
nkeynes@1041 | 47 | } |
nkeynes@1041 | 48 | |
nkeynes@1041 | 49 | gchar *get_escaped_path( const gchar *value ) |
nkeynes@1041 | 50 | { |
nkeynes@1041 | 51 | if( value != NULL && path_needs_escaping(value) ) { |
nkeynes@1041 | 52 | /* Escape with "", and backslash the remaining characters: |
nkeynes@1041 | 53 | * \ " $ ` |
nkeynes@1041 | 54 | */ |
nkeynes@1041 | 55 | char buf[strlen(value)*2+3]; |
nkeynes@1041 | 56 | const char *s = value; |
nkeynes@1041 | 57 | char *p = buf; |
nkeynes@1041 | 58 | *p++ = '\"'; |
nkeynes@1041 | 59 | while( *s ) { |
nkeynes@1041 | 60 | if( *s == '\\' || *s == '"' || *s == '$' || *s == '`' ) { |
nkeynes@1041 | 61 | *p++ = '\\'; |
nkeynes@1041 | 62 | } |
nkeynes@1041 | 63 | *p++ = *s++; |
nkeynes@1041 | 64 | } |
nkeynes@1041 | 65 | *p++ = '\"'; |
nkeynes@1041 | 66 | *p = '\0'; |
nkeynes@1041 | 67 | return g_strdup(buf); |
nkeynes@1041 | 68 | } else { |
nkeynes@1041 | 69 | return g_strdup(value); |
nkeynes@1041 | 70 | } |
nkeynes@1041 | 71 | } |
nkeynes@1041 | 72 | |
nkeynes@1041 | 73 | gchar *get_expanded_path( const gchar *input ) |
nkeynes@1041 | 74 | { |
nkeynes@1041 | 75 | wordexp_t we; |
nkeynes@1041 | 76 | if( input == NULL ) { |
nkeynes@1041 | 77 | return NULL; |
nkeynes@1041 | 78 | } |
nkeynes@1041 | 79 | memset(&we,0,sizeof(we)); |
nkeynes@1041 | 80 | int result = wordexp(input, &we, WRDE_NOCMD); |
nkeynes@1041 | 81 | if( result != 0 || we.we_wordc == 0 ) { |
nkeynes@1041 | 82 | /* On failure, return the original input unchanged */ |
nkeynes@1041 | 83 | return g_strdup(input); |
nkeynes@1041 | 84 | } else { |
nkeynes@1041 | 85 | /* On success, concatenate all 'words' together into a single |
nkeynes@1041 | 86 | * space-separated string |
nkeynes@1041 | 87 | */ |
nkeynes@1041 | 88 | int length = we.we_wordc, i; |
nkeynes@1041 | 89 | gchar *result, *p; |
nkeynes@1041 | 90 | |
nkeynes@1041 | 91 | for( i=0; i<we.we_wordc; i++ ) { |
nkeynes@1041 | 92 | length += strlen(we.we_wordv[i]); |
nkeynes@1041 | 93 | } |
nkeynes@1041 | 94 | p = result = g_malloc(length); |
nkeynes@1041 | 95 | for( i=0; i<we.we_wordc; i++ ) { |
nkeynes@1041 | 96 | if( i != 0 ) |
nkeynes@1041 | 97 | *p++ = ' '; |
nkeynes@1041 | 98 | strcpy( p, we.we_wordv[i] ); |
nkeynes@1041 | 99 | p += strlen(p); |
nkeynes@1041 | 100 | } |
nkeynes@1041 | 101 | wordfree(&we); |
nkeynes@1041 | 102 | return result; |
nkeynes@1041 | 103 | } |
nkeynes@1041 | 104 | } |
nkeynes@1041 | 105 | |
nkeynes@1041 | 106 | gchar *get_absolute_path( const gchar *in_path ) |
nkeynes@1041 | 107 | { |
nkeynes@1041 | 108 | char tmp[PATH_MAX]; |
nkeynes@1041 | 109 | if( in_path == NULL ) { |
nkeynes@1041 | 110 | return NULL; |
nkeynes@1041 | 111 | } |
nkeynes@1041 | 112 | if( in_path[0] == '/' || in_path[0] == 0 ) { |
nkeynes@1041 | 113 | return g_strdup(in_path); |
nkeynes@1041 | 114 | } else { |
nkeynes@1041 | 115 | getcwd(tmp, sizeof(tmp)); |
nkeynes@1041 | 116 | return g_strdup_printf("%s%c%s", tmp, G_DIR_SEPARATOR, in_path); |
nkeynes@1041 | 117 | } |
nkeynes@1041 | 118 | } |
nkeynes@1041 | 119 | |
nkeynes@1041 | 120 | gchar *get_filename_at( const gchar *at, const gchar *filename ) |
nkeynes@1041 | 121 | { |
nkeynes@1041 | 122 | char tmp[PATH_MAX]; |
nkeynes@1041 | 123 | char *p = strrchr( filename, '/' ); |
nkeynes@1041 | 124 | if( p == NULL ) { |
nkeynes@1041 | 125 | /* No path at all, so just return filename */ |
nkeynes@1041 | 126 | return g_strdup(filename); |
nkeynes@1041 | 127 | } else { |
nkeynes@1041 | 128 | int off = p-filename; |
nkeynes@1041 | 129 | return g_strdup_printf("%.*s%c%s", off, at, G_DIR_SEPARATOR, filename ); |
nkeynes@1041 | 130 | } |
nkeynes@1041 | 131 | } |
nkeynes@1041 | 132 | |
nkeynes@1041 | 133 | const gchar *get_gui_path( int key ) |
nkeynes@1041 | 134 | { |
nkeynes@1041 | 135 | if( gui_paths[key] == NULL ) { |
nkeynes@1041 | 136 | gui_paths[key] = lxdream_get_global_config_path_value(key); |
nkeynes@1041 | 137 | /* If no path defined, go with the current working directory */ |
nkeynes@1041 | 138 | if( gui_paths[key] == NULL ) { |
nkeynes@1041 | 139 | gui_paths[key] = get_absolute_path("."); |
nkeynes@1041 | 140 | } |
nkeynes@1041 | 141 | } |
nkeynes@1041 | 142 | return gui_paths[key]; |
nkeynes@1041 | 143 | } |
nkeynes@1041 | 144 | |
nkeynes@1041 | 145 | void set_gui_path( int key, const gchar *path ) |
nkeynes@1041 | 146 | { |
nkeynes@1041 | 147 | g_free(gui_paths[key]); |
nkeynes@1041 | 148 | gui_paths[key] = g_strdup(path); |
nkeynes@1041 | 149 | } |
nkeynes@1041 | 150 | |
nkeynes@1041 | 151 | void reset_gui_paths() |
nkeynes@1041 | 152 | { |
nkeynes@1041 | 153 | int i; |
nkeynes@1041 | 154 | for( i=0; i < CONFIG_KEY_MAX; i++ ) { |
nkeynes@1041 | 155 | g_free(gui_paths[i]); |
nkeynes@1041 | 156 | gui_paths[i] = NULL; |
nkeynes@1041 | 157 | } |
nkeynes@1041 | 158 | } |
.