Use Google3 style guide with .clang-format

Test: style change only, builds ok
Change-Id: I885180e24cb2e7b58cfb4967c3bcb40058ce4078
diff --git a/tools/aapt2/Locale.cpp b/tools/aapt2/Locale.cpp
index f7956c0..a0f7641 100644
--- a/tools/aapt2/Locale.cpp
+++ b/tools/aapt2/Locale.cpp
@@ -17,8 +17,8 @@
 #include "Locale.h"
 #include "util/Util.h"
 
-#include <algorithm>
 #include <ctype.h>
+#include <algorithm>
 #include <string>
 #include <vector>
 
@@ -27,225 +27,226 @@
 using android::ResTable_config;
 
 void LocaleValue::setLanguage(const char* languageChars) {
-     size_t i = 0;
-     while ((*languageChars) != '\0') {
-          language[i++] = ::tolower(*languageChars);
-          languageChars++;
-     }
+  size_t i = 0;
+  while ((*languageChars) != '\0') {
+    language[i++] = ::tolower(*languageChars);
+    languageChars++;
+  }
 }
 
 void LocaleValue::setRegion(const char* regionChars) {
-    size_t i = 0;
-    while ((*regionChars) != '\0') {
-         region[i++] = ::toupper(*regionChars);
-         regionChars++;
-    }
+  size_t i = 0;
+  while ((*regionChars) != '\0') {
+    region[i++] = ::toupper(*regionChars);
+    regionChars++;
+  }
 }
 
 void LocaleValue::setScript(const char* scriptChars) {
-    size_t i = 0;
-    while ((*scriptChars) != '\0') {
-         if (i == 0) {
-             script[i++] = ::toupper(*scriptChars);
-         } else {
-             script[i++] = ::tolower(*scriptChars);
-         }
-         scriptChars++;
+  size_t i = 0;
+  while ((*scriptChars) != '\0') {
+    if (i == 0) {
+      script[i++] = ::toupper(*scriptChars);
+    } else {
+      script[i++] = ::tolower(*scriptChars);
     }
+    scriptChars++;
+  }
 }
 
 void LocaleValue::setVariant(const char* variantChars) {
-     size_t i = 0;
-     while ((*variantChars) != '\0') {
-          variant[i++] = *variantChars;
-          variantChars++;
-     }
+  size_t i = 0;
+  while ((*variantChars) != '\0') {
+    variant[i++] = *variantChars;
+    variantChars++;
+  }
 }
 
 static inline bool isAlpha(const std::string& str) {
-    return std::all_of(std::begin(str), std::end(str), ::isalpha);
+  return std::all_of(std::begin(str), std::end(str), ::isalpha);
 }
 
 static inline bool isNumber(const std::string& str) {
-    return std::all_of(std::begin(str), std::end(str), ::isdigit);
+  return std::all_of(std::begin(str), std::end(str), ::isdigit);
 }
 
 bool LocaleValue::initFromFilterString(const StringPiece& str) {
-     // A locale (as specified in the filter) is an underscore separated name such
-     // as "en_US", "en_Latn_US", or "en_US_POSIX".
-     std::vector<std::string> parts = util::splitAndLowercase(str, '_');
+  // A locale (as specified in the filter) is an underscore separated name such
+  // as "en_US", "en_Latn_US", or "en_US_POSIX".
+  std::vector<std::string> parts = util::splitAndLowercase(str, '_');
 
-     const int numTags = parts.size();
-     bool valid = false;
-     if (numTags >= 1) {
-         const std::string& lang = parts[0];
-         if (isAlpha(lang) && (lang.length() == 2 || lang.length() == 3)) {
-             setLanguage(lang.c_str());
-             valid = true;
-         }
-     }
+  const int numTags = parts.size();
+  bool valid = false;
+  if (numTags >= 1) {
+    const std::string& lang = parts[0];
+    if (isAlpha(lang) && (lang.length() == 2 || lang.length() == 3)) {
+      setLanguage(lang.c_str());
+      valid = true;
+    }
+  }
 
-     if (!valid || numTags == 1) {
-         return valid;
-     }
+  if (!valid || numTags == 1) {
+    return valid;
+  }
 
-     // At this point, valid == true && numTags > 1.
-     const std::string& part2 = parts[1];
-     if ((part2.length() == 2 && isAlpha(part2)) ||
-         (part2.length() == 3 && isNumber(part2))) {
-         setRegion(part2.c_str());
-     } else if (part2.length() == 4 && isAlpha(part2)) {
-         setScript(part2.c_str());
-     } else if (part2.length() >= 4 && part2.length() <= 8) {
-         setVariant(part2.c_str());
-     } else {
-         valid = false;
-     }
+  // At this point, valid == true && numTags > 1.
+  const std::string& part2 = parts[1];
+  if ((part2.length() == 2 && isAlpha(part2)) ||
+      (part2.length() == 3 && isNumber(part2))) {
+    setRegion(part2.c_str());
+  } else if (part2.length() == 4 && isAlpha(part2)) {
+    setScript(part2.c_str());
+  } else if (part2.length() >= 4 && part2.length() <= 8) {
+    setVariant(part2.c_str());
+  } else {
+    valid = false;
+  }
 
-     if (!valid || numTags == 2) {
-         return valid;
-     }
+  if (!valid || numTags == 2) {
+    return valid;
+  }
 
-     // At this point, valid == true && numTags > 1.
-     const std::string& part3 = parts[2];
-     if (((part3.length() == 2 && isAlpha(part3)) ||
-         (part3.length() == 3 && isNumber(part3))) && script[0]) {
-         setRegion(part3.c_str());
-     } else if (part3.length() >= 4 && part3.length() <= 8) {
-         setVariant(part3.c_str());
-     } else {
-         valid = false;
-     }
+  // At this point, valid == true && numTags > 1.
+  const std::string& part3 = parts[2];
+  if (((part3.length() == 2 && isAlpha(part3)) ||
+       (part3.length() == 3 && isNumber(part3))) &&
+      script[0]) {
+    setRegion(part3.c_str());
+  } else if (part3.length() >= 4 && part3.length() <= 8) {
+    setVariant(part3.c_str());
+  } else {
+    valid = false;
+  }
 
-     if (!valid || numTags == 3) {
-         return valid;
-     }
+  if (!valid || numTags == 3) {
+    return valid;
+  }
 
-     const std::string& part4 = parts[3];
-     if (part4.length() >= 4 && part4.length() <= 8) {
-         setVariant(part4.c_str());
-     } else {
-         valid = false;
-     }
+  const std::string& part4 = parts[3];
+  if (part4.length() >= 4 && part4.length() <= 8) {
+    setVariant(part4.c_str());
+  } else {
+    valid = false;
+  }
 
-     if (!valid || numTags > 4) {
-         return false;
-     }
+  if (!valid || numTags > 4) {
+    return false;
+  }
 
-     return true;
+  return true;
 }
 
 ssize_t LocaleValue::initFromParts(std::vector<std::string>::iterator iter,
-        std::vector<std::string>::iterator end) {
-    const std::vector<std::string>::iterator startIter = iter;
+                                   std::vector<std::string>::iterator end) {
+  const std::vector<std::string>::iterator startIter = iter;
 
-    std::string& part = *iter;
-    if (part[0] == 'b' && part[1] == '+') {
-        // This is a "modified" BCP 47 language tag. Same semantics as BCP 47 tags,
-        // except that the separator is "+" and not "-".
-        std::vector<std::string> subtags = util::splitAndLowercase(part, '+');
-        subtags.erase(subtags.begin());
-        if (subtags.size() == 1) {
-            setLanguage(subtags[0].c_str());
-        } else if (subtags.size() == 2) {
-            setLanguage(subtags[0].c_str());
+  std::string& part = *iter;
+  if (part[0] == 'b' && part[1] == '+') {
+    // This is a "modified" BCP 47 language tag. Same semantics as BCP 47 tags,
+    // except that the separator is "+" and not "-".
+    std::vector<std::string> subtags = util::splitAndLowercase(part, '+');
+    subtags.erase(subtags.begin());
+    if (subtags.size() == 1) {
+      setLanguage(subtags[0].c_str());
+    } else if (subtags.size() == 2) {
+      setLanguage(subtags[0].c_str());
 
-            // The second tag can either be a region, a variant or a script.
-            switch (subtags[1].size()) {
-                case 2:
-                case 3:
-                    setRegion(subtags[1].c_str());
-                    break;
-                case 4:
-                    if ('0' <= subtags[1][0] && subtags[1][0] <= '9') {
-                        // This is a variant: fall through
-                    } else {
-                        setScript(subtags[1].c_str());
-                        break;
-                    }
-                case 5:
-                case 6:
-                case 7:
-                case 8:
-                    setVariant(subtags[1].c_str());
-                    break;
-                default:
-                    return -1;
-            }
-        } else if (subtags.size() == 3) {
-            // The language is always the first subtag.
-            setLanguage(subtags[0].c_str());
-
-            // The second subtag can either be a script or a region code.
-            // If its size is 4, it's a script code, else it's a region code.
-            if (subtags[1].size() == 4) {
-                setScript(subtags[1].c_str());
-            } else if (subtags[1].size() == 2 || subtags[1].size() == 3) {
-                setRegion(subtags[1].c_str());
-            } else {
-                return -1;
-            }
-
-            // The third tag can either be a region code (if the second tag was
-            // a script), else a variant code.
-            if (subtags[2].size() >= 4) {
-                setVariant(subtags[2].c_str());
-            } else {
-                setRegion(subtags[2].c_str());
-            }
-        } else if (subtags.size() == 4) {
-            setLanguage(subtags[0].c_str());
+      // The second tag can either be a region, a variant or a script.
+      switch (subtags[1].size()) {
+        case 2:
+        case 3:
+          setRegion(subtags[1].c_str());
+          break;
+        case 4:
+          if ('0' <= subtags[1][0] && subtags[1][0] <= '9') {
+            // This is a variant: fall through
+          } else {
             setScript(subtags[1].c_str());
-            setRegion(subtags[2].c_str());
-            setVariant(subtags[3].c_str());
-        } else {
-            return -1;
-        }
+            break;
+          }
+        case 5:
+        case 6:
+        case 7:
+        case 8:
+          setVariant(subtags[1].c_str());
+          break;
+        default:
+          return -1;
+      }
+    } else if (subtags.size() == 3) {
+      // The language is always the first subtag.
+      setLanguage(subtags[0].c_str());
 
-        ++iter;
+      // The second subtag can either be a script or a region code.
+      // If its size is 4, it's a script code, else it's a region code.
+      if (subtags[1].size() == 4) {
+        setScript(subtags[1].c_str());
+      } else if (subtags[1].size() == 2 || subtags[1].size() == 3) {
+        setRegion(subtags[1].c_str());
+      } else {
+        return -1;
+      }
 
+      // The third tag can either be a region code (if the second tag was
+      // a script), else a variant code.
+      if (subtags[2].size() >= 4) {
+        setVariant(subtags[2].c_str());
+      } else {
+        setRegion(subtags[2].c_str());
+      }
+    } else if (subtags.size() == 4) {
+      setLanguage(subtags[0].c_str());
+      setScript(subtags[1].c_str());
+      setRegion(subtags[2].c_str());
+      setVariant(subtags[3].c_str());
     } else {
-        if ((part.length() == 2 || part.length() == 3)
-                && isAlpha(part) && part != "car") {
-            setLanguage(part.c_str());
-            ++iter;
-
-            if (iter != end) {
-                const std::string& regionPart = *iter;
-                if (regionPart.c_str()[0] == 'r' && regionPart.length() == 3) {
-                    setRegion(regionPart.c_str() + 1);
-                    ++iter;
-                }
-            }
-        }
+      return -1;
     }
 
-    return static_cast<ssize_t>(iter - startIter);
+    ++iter;
+
+  } else {
+    if ((part.length() == 2 || part.length() == 3) && isAlpha(part) &&
+        part != "car") {
+      setLanguage(part.c_str());
+      ++iter;
+
+      if (iter != end) {
+        const std::string& regionPart = *iter;
+        if (regionPart.c_str()[0] == 'r' && regionPart.length() == 3) {
+          setRegion(regionPart.c_str() + 1);
+          ++iter;
+        }
+      }
+    }
+  }
+
+  return static_cast<ssize_t>(iter - startIter);
 }
 
 void LocaleValue::initFromResTable(const ResTable_config& config) {
-    config.unpackLanguage(language);
-    config.unpackRegion(region);
-    if (config.localeScript[0] && !config.localeScriptWasComputed) {
-        memcpy(script, config.localeScript, sizeof(config.localeScript));
-    }
+  config.unpackLanguage(language);
+  config.unpackRegion(region);
+  if (config.localeScript[0] && !config.localeScriptWasComputed) {
+    memcpy(script, config.localeScript, sizeof(config.localeScript));
+  }
 
-    if (config.localeVariant[0]) {
-        memcpy(variant, config.localeVariant, sizeof(config.localeVariant));
-    }
+  if (config.localeVariant[0]) {
+    memcpy(variant, config.localeVariant, sizeof(config.localeVariant));
+  }
 }
 
 void LocaleValue::writeTo(ResTable_config* out) const {
-    out->packLanguage(language);
-    out->packRegion(region);
+  out->packLanguage(language);
+  out->packRegion(region);
 
-    if (script[0]) {
-        memcpy(out->localeScript, script, sizeof(out->localeScript));
-    }
+  if (script[0]) {
+    memcpy(out->localeScript, script, sizeof(out->localeScript));
+  }
 
-    if (variant[0]) {
-        memcpy(out->localeVariant, variant, sizeof(out->localeVariant));
-    }
+  if (variant[0]) {
+    memcpy(out->localeVariant, variant, sizeof(out->localeVariant));
+  }
 }
 
-} // namespace aapt
+}  // namespace aapt