auto import from //depot/cupcake/@135843

1 files changed, 57 insertions, 0 deletions

diff --git a/tools/aidl/search_path.cpp b/tools/aidl/search_path.cpp
new file mode 100644
index 0000000..ffb6cb2
--- /dev/null
+++ b/tools/aidl/search_path.cpp
@@ -0,0 +1,57 @@
+#include <unistd.h>
+#include "search_path.h"
+#include "options.h"
+#include <string.h>
+
+#ifdef HAVE_MS_C_RUNTIME
+#include <io.h>
+#endif
+
+static vector<string> g_importPaths;
+
+void
+set_import_paths(const vector<string>& importPaths)
+{
+    g_importPaths = importPaths;
+}
+
+char*
+find_import_file(const char* given)
+{
+    string expected = given;
+
+    int N = expected.length();
+    for (int i=0; i<N; i++) {
+        char c = expected[i];
+        if (c == '.') {
+            expected[i] = OS_PATH_SEPARATOR;
+        }
+    }
+    expected += ".aidl";
+
+    vector<string>& paths = g_importPaths;
+    for (vector<string>::iterator it=paths.begin(); it!=paths.end(); it++) {
+        string f = *it;
+        if (f.size() == 0) {
+            f = ".";
+            f += OS_PATH_SEPARATOR;
+        }
+        else if (f[f.size()-1] != OS_PATH_SEPARATOR) {
+            f += OS_PATH_SEPARATOR;
+        }
+        f.append(expected);
+
+#ifdef HAVE_MS_C_RUNTIME
+        /* check that the file exists and is not write-only */
+        if (0 == _access(f.c_str(), 0) &&  /* mode 0=exist */
+            0 == _access(f.c_str(), 4) ) { /* mode 4=readable */
+#else
+        if (0 == access(f.c_str(), R_OK)) {
+#endif        
+            return strdup(f.c_str());
+        }
+    }
+
+    return NULL;
+}
+