filename | src/lxpaths.c |
changeset | 1205:a486ac64f34b |
prev | 1056:d0896e6530d6 |
next | 1283:2cbafe321d6f |
author | nkeynes |
date | Wed Feb 15 17:54:51 2012 +1000 (12 years ago) |
permissions | -rw-r--r-- |
last change | Use GL_TEXTURE_2D instead of GL_TEXTURE_RECTANGLE_ARB for frame buffers, for systems that don't provide the latter (and there's not really much difference anyway). Add macro wrangling for GL_DEPTH24_STENCIL8 format |
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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@1205 | 21 | #include <stdlib.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 == '$' || *s == '`' ) { |
nkeynes@1041 | 61 | *p++ = '\\'; |
nkeynes@1041 | 62 | } |
nkeynes@1041 | 63 | *p++ = *s++; |
nkeynes@1041 | 64 | } |
nkeynes@1041 | 65 | *p++ = '\"'; |
nkeynes@1041 | 66 | *p = '\0'; |
nkeynes@1041 | 67 | return g_strdup(buf); |
nkeynes@1041 | 68 | } else { |
nkeynes@1041 | 69 | return g_strdup(value); |
nkeynes@1041 | 70 | } |
nkeynes@1041 | 71 | } |
nkeynes@1041 | 72 | |
nkeynes@1041 | 73 | gchar *get_expanded_path( const gchar *input ) |
nkeynes@1041 | 74 | { |
nkeynes@1205 | 75 | char result[PATH_MAX]; |
nkeynes@1205 | 76 | |
nkeynes@1205 | 77 | char *d, *e; |
nkeynes@1205 | 78 | const char *s; |
nkeynes@1205 | 79 | d = result; |
nkeynes@1205 | 80 | e = result+sizeof(result)-1; |
nkeynes@1205 | 81 | s = input; |
nkeynes@1205 | 82 | |
nkeynes@1205 | 83 | if( input == NULL ) |
nkeynes@1041 | 84 | return NULL; |
nkeynes@1205 | 85 | |
nkeynes@1205 | 86 | while( *s ) { |
nkeynes@1205 | 87 | if( d == e ) { |
nkeynes@1205 | 88 | return g_strdup(input); /* expansion too long */ |
nkeynes@1205 | 89 | } |
nkeynes@1205 | 90 | char c = *s++; |
nkeynes@1205 | 91 | if( c == '$' ) { |
nkeynes@1205 | 92 | if( *s == '{' ) { |
nkeynes@1205 | 93 | s++; |
nkeynes@1205 | 94 | const char *q = s; |
nkeynes@1205 | 95 | while( *q != '}' ) { |
nkeynes@1205 | 96 | if( ! *q ) { |
nkeynes@1205 | 97 | return g_strdup(input); /* unterminated variable */ |
nkeynes@1205 | 98 | } |
nkeynes@1205 | 99 | q++; |
nkeynes@1205 | 100 | } |
nkeynes@1205 | 101 | char *tmp = g_strndup(s, (q-s)); |
nkeynes@1205 | 102 | s = q+1; |
nkeynes@1205 | 103 | char *value = getenv(tmp); |
nkeynes@1205 | 104 | g_free(tmp); |
nkeynes@1205 | 105 | if( value != NULL ) { |
nkeynes@1205 | 106 | int len = strlen(value); |
nkeynes@1205 | 107 | if( d + len > e ) |
nkeynes@1205 | 108 | return g_strdup(input); |
nkeynes@1205 | 109 | strcpy(d, value); |
nkeynes@1205 | 110 | d+=len; |
nkeynes@1205 | 111 | } /* Else, empty string */ |
nkeynes@1205 | 112 | } else { |
nkeynes@1205 | 113 | const char *q = s; |
nkeynes@1205 | 114 | while( isalnum(*q) || *q == '_' ) { |
nkeynes@1205 | 115 | q++; |
nkeynes@1205 | 116 | } |
nkeynes@1205 | 117 | if( q == s ) { |
nkeynes@1205 | 118 | *d++ = '$'; |
nkeynes@1205 | 119 | } else { |
nkeynes@1205 | 120 | char *tmp = g_strndup(s,q-s); |
nkeynes@1205 | 121 | s = q; |
nkeynes@1205 | 122 | char *value = getenv(tmp); |
nkeynes@1205 | 123 | g_free(tmp); |
nkeynes@1205 | 124 | if( value != NULL ) { |
nkeynes@1205 | 125 | int len = strlen(value); |
nkeynes@1205 | 126 | if( d + len > e ) |
nkeynes@1205 | 127 | return g_strdup(input); |
nkeynes@1205 | 128 | strcpy(d, value); |
nkeynes@1205 | 129 | d += len; |
nkeynes@1205 | 130 | } |
nkeynes@1205 | 131 | } |
nkeynes@1205 | 132 | } |
nkeynes@1205 | 133 | } else if( c == '\\' ) { |
nkeynes@1205 | 134 | c = *s++; |
nkeynes@1205 | 135 | if( c ) { |
nkeynes@1205 | 136 | *d++ = c; |
nkeynes@1205 | 137 | } else { |
nkeynes@1205 | 138 | *d++ = '\\'; |
nkeynes@1205 | 139 | } |
nkeynes@1205 | 140 | } else { |
nkeynes@1205 | 141 | *d++ = c; |
nkeynes@1205 | 142 | } |
nkeynes@1041 | 143 | } |
nkeynes@1205 | 144 | *d = '\0'; |
nkeynes@1205 | 145 | return g_strdup(result); |
nkeynes@1041 | 146 | } |
nkeynes@1041 | 147 | gchar *get_absolute_path( const gchar *in_path ) |
nkeynes@1041 | 148 | { |
nkeynes@1041 | 149 | char tmp[PATH_MAX]; |
nkeynes@1041 | 150 | if( in_path == NULL ) { |
nkeynes@1041 | 151 | return NULL; |
nkeynes@1041 | 152 | } |
nkeynes@1041 | 153 | if( in_path[0] == '/' || in_path[0] == 0 ) { |
nkeynes@1041 | 154 | return g_strdup(in_path); |
nkeynes@1041 | 155 | } else { |
nkeynes@1041 | 156 | getcwd(tmp, sizeof(tmp)); |
nkeynes@1041 | 157 | return g_strdup_printf("%s%c%s", tmp, G_DIR_SEPARATOR, in_path); |
nkeynes@1041 | 158 | } |
nkeynes@1041 | 159 | } |
nkeynes@1041 | 160 | |
nkeynes@1041 | 161 | gchar *get_filename_at( const gchar *at, const gchar *filename ) |
nkeynes@1041 | 162 | { |
nkeynes@1041 | 163 | char tmp[PATH_MAX]; |
nkeynes@1056 | 164 | char *p = strrchr( at, '/' ); |
nkeynes@1041 | 165 | if( p == NULL ) { |
nkeynes@1041 | 166 | /* No path at all, so just return filename */ |
nkeynes@1041 | 167 | return g_strdup(filename); |
nkeynes@1041 | 168 | } else { |
nkeynes@1056 | 169 | int off = p-at; |
nkeynes@1041 | 170 | return g_strdup_printf("%.*s%c%s", off, at, G_DIR_SEPARATOR, filename ); |
nkeynes@1041 | 171 | } |
nkeynes@1041 | 172 | } |
nkeynes@1041 | 173 | |
nkeynes@1041 | 174 | const gchar *get_gui_path( int key ) |
nkeynes@1041 | 175 | { |
nkeynes@1041 | 176 | if( gui_paths[key] == NULL ) { |
nkeynes@1041 | 177 | gui_paths[key] = lxdream_get_global_config_path_value(key); |
nkeynes@1041 | 178 | /* If no path defined, go with the current working directory */ |
nkeynes@1041 | 179 | if( gui_paths[key] == NULL ) { |
nkeynes@1041 | 180 | gui_paths[key] = get_absolute_path("."); |
nkeynes@1041 | 181 | } |
nkeynes@1041 | 182 | } |
nkeynes@1041 | 183 | return gui_paths[key]; |
nkeynes@1041 | 184 | } |
nkeynes@1041 | 185 | |
nkeynes@1041 | 186 | void set_gui_path( int key, const gchar *path ) |
nkeynes@1041 | 187 | { |
nkeynes@1041 | 188 | g_free(gui_paths[key]); |
nkeynes@1041 | 189 | gui_paths[key] = g_strdup(path); |
nkeynes@1041 | 190 | } |
nkeynes@1041 | 191 | |
nkeynes@1041 | 192 | void reset_gui_paths() |
nkeynes@1041 | 193 | { |
nkeynes@1041 | 194 | int i; |
nkeynes@1041 | 195 | for( i=0; i < CONFIG_KEY_MAX; i++ ) { |
nkeynes@1041 | 196 | g_free(gui_paths[i]); |
nkeynes@1041 | 197 | gui_paths[i] = NULL; |
nkeynes@1041 | 198 | } |
nkeynes@1041 | 199 | } |
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