Merge "Add the missing sr-Latn into png files and rename the png locale header" am: 713d915636 am: dc235b5ab9
am: 5ec12126f0
Change-Id: Ia6b861c91958d3be23a4a7456d6d5d8e4a1607c8
(cherry picked from commit 9166f66eee883d6d6cc280a6c355e5528bb4a3f0)
diff --git a/minui/resources.cpp b/minui/resources.cpp
index c0f9c5c..86c731b 100644
--- a/minui/resources.cpp
+++ b/minui/resources.cpp
@@ -25,8 +25,11 @@
#include <sys/types.h>
#include <unistd.h>
+#include <regex>
+#include <string>
#include <vector>
+#include <android-base/strings.h>
#include <png.h>
#include "minui/minui.h"
@@ -371,16 +374,26 @@
// This function tests if a locale string stored in PNG (prefix) matches
// the locale string provided by the system (locale).
-bool matches_locale(const char* prefix, const char* locale) {
- if (locale == nullptr) {
- return false;
- }
+bool matches_locale(const std::string& prefix, const std::string& locale) {
+ // According to the BCP 47 format, A locale string may consists of:
+ // language-{extlang}-{script}-{region}-{variant}
+ // The locale headers in PNG mostly consist of language-{region} except for sr-Latn, and some
+ // android's system locale can have the format language-{script}-{region}.
- // Return true if the whole string of prefix matches the top part of
- // locale. For instance, prefix == "en" matches locale == "en_US";
- // and prefix == "zh_CN" matches locale == "zh_CN_#Hans".
+ // Return true if the whole string of prefix matches the top part of locale. Otherwise try to
+ // match the locale string without the {script} section.
+ // For instance, prefix == "en" matches locale == "en-US", prefix == "sr-Latn" matches locale
+ // == "sr-Latn-BA", and prefix == "zh-CN" matches locale == "zh-Hans-CN".
+ if (android::base::StartsWith(locale, prefix.c_str())) {
+ return true;
+ }
- return (strncmp(prefix, locale, strlen(prefix)) == 0);
+ size_t separator = prefix.find('-');
+ if (separator == std::string::npos) {
+ return false;
+ }
+ std::regex loc_regex(prefix.substr(0, separator) + "-[A-Za-z]*" + prefix.substr(separator));
+ return std::regex_match(locale, loc_regex);
}
int res_create_localized_alpha_surface(const char* name,