Moves additionnal utility functions to util.c.

1 files changed, 70 insertions, 2 deletions

diff --git a/src/util.c b/src/util.c
index 2da484f..3cf6416 100644
--- a/src/util.c
+++ b/src/util.c
@@ -6,8 +6,7 @@
 
 #include "util.h"
 
-const XDG_Var XDG[] =
-{
+const XDG_Var XDG[] = {
     { "XDG_CONFIG_HOME", "~/.config" },
     { "XDG_DATA_HOME",   "~/.local/share" },
     { "XDG_CACHE_HOME",  "~/.cache" },
@@ -110,6 +109,75 @@ for_each_line_in_file(const gchar *path, void (*callback)(const gchar *l, void *
 }
 
 
+enum exp_type
+get_exp_type(const gchar *s) {
+    /* variables */
+    if(*(s+1) == '(')
+        return EXP_EXPR;
+    else if(*(s+1) == '{')
+        return EXP_BRACED_VAR;
+    else if(*(s+1) == '<')
+        return EXP_JS;
+    else if(*(s+1) == '[')
+        return EXP_ESCAPE;
+    else
+        return EXP_SIMPLE_VAR;
+
+    /*@notreached@*/
+return EXP_ERR;
+}
+
+
+/* search a PATH style string for an existing file+path combination */
+gchar*
+find_existing_file(gchar* path_list) {
+    int i=0;
+    int cnt;
+    gchar **split;
+    gchar *tmp = NULL;
+    gchar *executable;
+
+    if(!path_list)
+        return NULL;
+
+    split = g_strsplit(path_list, ":", 0);
+    while(split[i])
+        i++;
+
+    if(i<=1) {
+        tmp = g_strdup(split[0]);
+        g_strfreev(split);
+        return tmp;
+    }
+    else
+        cnt = i-1;
+
+    i=0;
+    tmp = g_strdup(split[cnt]);
+    g_strstrip(tmp);
+    if(tmp[0] == '/')
+        executable = g_strdup_printf("%s", tmp+1);
+    else
+        executable = g_strdup(tmp);
+    g_free(tmp);
+
+    while(i<cnt) {
+        tmp = g_strconcat(g_strstrip(split[i]), "/", executable, NULL);
+        if(g_file_test(tmp, G_FILE_TEST_EXISTS)) {
+            g_strfreev(split);
+            return tmp;
+        }
+        else
+            g_free(tmp);
+        i++;
+    }
+
+g_free(executable);
+    g_strfreev(split);
+    return NULL;
+}
+
+
 char*
 itos(int val) {
     char tmp[20];