auto import from //depot/cupcake/@135843
diff --git a/tools/localize/res_check.cpp b/tools/localize/res_check.cpp
new file mode 100644
index 0000000..0fab98a
--- /dev/null
+++ b/tools/localize/res_check.cpp
@@ -0,0 +1,106 @@
+#include "res_check.h"
+#include "localize.h"
+#include "file_utils.h"
+#include "ValuesFile.h"
+
+#include <stdio.h>
+
+static int check_file(const ValuesFile* file);
+static int check_value(const SourcePos& pos, const XMLNode* value);
+static int scan_for_unguarded_format(const SourcePos& pos, const XMLNode* value, int depth = 0);
+
+int
+do_rescheck(const vector<string>& files)
+{
+ int err;
+
+ Configuration english;
+ english.locale = "en_US";
+
+ for (size_t i=0; i<files.size(); i++) {
+ const string filename = files[i];
+ ValuesFile* valuesFile = get_local_values_file(filename, english, CURRENT_VERSION,
+ "0", true);
+ if (valuesFile != NULL) {
+ err |= check_file(valuesFile);
+ delete valuesFile;
+ } else {
+ err |= 1;
+ }
+ }
+
+ return err;
+}
+
+static int
+check_file(const ValuesFile* file)
+{
+ int err = 0;
+ set<StringResource> strings = file->GetStrings();
+ for (set<StringResource>::iterator it=strings.begin(); it!=strings.end(); it++) {
+ XMLNode* value = it->value;
+ if (value != NULL) {
+ err |= check_value(it->pos, value);
+ }
+ }
+ return err;
+}
+
+static bool
+contains_percent(const string& str)
+{
+ const size_t len = str.length();
+ for (size_t i=0; i<len; i++) {
+ char c = str[i];
+ if (c == '%') {
+ return true;
+ }
+ }
+ return false;
+}
+
+static int
+check_value(const SourcePos& pos, const XMLNode* value)
+{
+ int err = 0;
+ err |= scan_for_unguarded_format(pos, value);
+ return err;
+}
+
+static bool
+is_xliff_block(const string& ns, const string& name)
+{
+ if (ns == XLIFF_XMLNS) {
+ return name == "g";
+ } else {
+ return false;
+ }
+}
+
+static int
+scan_for_unguarded_format(const SourcePos& pos, const string& string)
+{
+ bool containsPercent = contains_percent(string);
+ if (containsPercent) {
+ pos.Error("unguarded percent: '%s'\n", string.c_str());
+ }
+ return 0;
+}
+
+static int
+scan_for_unguarded_format(const SourcePos& pos, const XMLNode* value, int depth)
+{
+ if (value->Type() == XMLNode::ELEMENT) {
+ int err = 0;
+ if (depth == 0 || !is_xliff_block(value->Namespace(), value->Name())) {
+ const vector<XMLNode*>& children = value->Children();
+ for (size_t i=0; i<children.size(); i++) {
+ err |= scan_for_unguarded_format(pos, children[i], depth+1);
+ }
+ }
+ return err;
+ } else {
+ return scan_for_unguarded_format(pos, value->Text());
+ }
+}
+