X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fas3%2Ffiles.c;h=8deefbf3b47fc60e29896ee4480d31404ef12b32;hb=0fb1c17d65a058eb907be12af5e5b31d93a7b021;hp=580c9db6b88e7eb5cdf60325bada895cce79a657;hpb=c124a222ae71441d0933af25cf011307f7da215d;p=swftools.git

diff --git a/lib/as3/files.c b/lib/as3/files.c
index 580c9db..8deefbf 100644
--- a/lib/as3/files.c
+++ b/lib/as3/files.c
@@ -49,11 +49,6 @@ static void dbg(const char*format, ...)
 }
 
 
-typedef struct _include_dir {
-    char*path;
-    struct _include_dir*next;
-} include_dir_t;
-
 int current_line=1;
 int current_column=0;
 char* current_filename=0;
@@ -105,6 +100,78 @@ char*get_path(const char*file)
         return strdup(".");
     }
 }
+char* normalize_path(const char*path)
+{
+    char*n = 0, *d = 0;
+    if(path[0] != '/') {
+        char buf[512];
+        char*c = getcwd(buf,512);
+        int l = strlen(buf);
+        d = n = malloc(l+strlen(path)+10);
+        strcpy(n, buf);d += l;
+        if(!l || n[l-1]!='/') {
+            *d='/';d++;
+        }
+    } else {
+        d = n = strdup(path);
+    }
+    const char*s=path;
+    char init = 1;
+
+    while(*s) {
+        if(init && s[0] == '.' && (s[1]=='/' || s[1]=='\0')) {
+            if(!s[1]) break;
+            s+=2;
+            init=1;
+            continue;
+        }
+        if(init && s[0] == '.' && s[1] == '.' && (s[2] == '/' || s[2]=='\0')) {
+            // step one down
+            char*last = 0;
+            if(d<=n) 
+                return 0;
+            *--d = 0;
+            if(!(last=strrchr(n, '/'))) {
+                return 0;
+            }
+            d = last+1;
+            if(!s[2]) break;
+            s+=3;
+            init=1;
+            continue;
+        }
+
+        *d = *s;
+        if(*s=='/') init=1;
+        else init=0;
+        d++;s++;
+    }
+    if(d!=n && d[-1]=='/') 
+        d--;
+    *d = 0;
+    return n;
+}
+static void testnormalize()
+{
+#define TEST(x) {printf("%s -> %s\n", (x), normalize_path(x));}
+    TEST(".");
+    TEST("../as3");
+    TEST("../as3/");
+    TEST("../as3/parser.y");
+    TEST("../as3/ok/../ok/scope.as");
+    TEST("ok/scope.as");
+    TEST("ok/./scope.as");
+    TEST("./ok/scope.as");
+    TEST("./");
+    TEST("/tmp/");
+    TEST("/./tmp/");
+    TEST("../");
+    TEST("/");
+    TEST("/tmp");
+    TEST("/tmp/../usr/");
+}
+
+
 char* concat_paths(const char*base, const char*add)
 {
     int l1 = strlen(base);
@@ -121,7 +188,7 @@ char* concat_paths(const char*base, const char*add)
     memcpy(&n[l1+1],&add[pos],l2-pos+1);
     return n;
 }
-char is_absolute(char*filename) 
+char is_absolute(const char*filename) 
 {
     if(!filename || !filename[0])
         return 0;
@@ -134,7 +201,7 @@ char is_absolute(char*filename)
     return 0;
 }
 
-char*find_file(char*filename)
+char*find_file(const char*filename)
 {
     include_dir_t*i = current_include_dirs;
     FILE*fi = 0;
@@ -154,6 +221,8 @@ char*find_file(char*filename)
             if(fi) {
                 fclose(fi);
                 return p;
+            } else {
+                free(p);
             }
             i = i->next;
         }