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-rw-r--r--libs/androidfw/ConfigDescription.cpp993
1 files changed, 993 insertions, 0 deletions
diff --git a/libs/androidfw/ConfigDescription.cpp b/libs/androidfw/ConfigDescription.cpp
new file mode 100644
index 000000000000..1f3a89edb8af
--- /dev/null
+++ b/libs/androidfw/ConfigDescription.cpp
@@ -0,0 +1,993 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "androidfw/ConfigDescription.h"
+#include "androidfw/Locale.h"
+#include "androidfw/ResourceTypes.h"
+#include "androidfw/StringPiece.h"
+#include "androidfw/Util.h"
+
+#include <string>
+#include <vector>
+
+namespace android {
+
+static const char* kWildcardName = "any";
+
+const ConfigDescription& ConfigDescription::DefaultConfig() {
+ static ConfigDescription config = {};
+ return config;
+}
+
+static bool parseMcc(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) out->mcc = 0;
+ return true;
+ }
+ const char* c = name;
+ if (tolower(*c) != 'm') return false;
+ c++;
+ if (tolower(*c) != 'c') return false;
+ c++;
+ if (tolower(*c) != 'c') return false;
+ c++;
+
+ const char* val = c;
+
+ while (*c >= '0' && *c <= '9') {
+ c++;
+ }
+ if (*c != 0) return false;
+ if (c - val != 3) return false;
+
+ int d = atoi(val);
+ if (d != 0) {
+ if (out) out->mcc = d;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseMnc(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) out->mnc = 0;
+ return true;
+ }
+ const char* c = name;
+ if (tolower(*c) != 'm') return false;
+ c++;
+ if (tolower(*c) != 'n') return false;
+ c++;
+ if (tolower(*c) != 'c') return false;
+ c++;
+
+ const char* val = c;
+
+ while (*c >= '0' && *c <= '9') {
+ c++;
+ }
+ if (*c != 0) return false;
+ if (c - val == 0 || c - val > 3) return false;
+
+ if (out) {
+ out->mnc = atoi(val);
+ if (out->mnc == 0) {
+ out->mnc = ACONFIGURATION_MNC_ZERO;
+ }
+ }
+
+ return true;
+}
+
+static bool parseLayoutDirection(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_LAYOUTDIR) |
+ ResTable_config::LAYOUTDIR_ANY;
+ return true;
+ } else if (strcmp(name, "ldltr") == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_LAYOUTDIR) |
+ ResTable_config::LAYOUTDIR_LTR;
+ return true;
+ } else if (strcmp(name, "ldrtl") == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_LAYOUTDIR) |
+ ResTable_config::LAYOUTDIR_RTL;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseScreenLayoutSize(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
+ ResTable_config::SCREENSIZE_ANY;
+ return true;
+ } else if (strcmp(name, "small") == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
+ ResTable_config::SCREENSIZE_SMALL;
+ return true;
+ } else if (strcmp(name, "normal") == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
+ ResTable_config::SCREENSIZE_NORMAL;
+ return true;
+ } else if (strcmp(name, "large") == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
+ ResTable_config::SCREENSIZE_LARGE;
+ return true;
+ } else if (strcmp(name, "xlarge") == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_SCREENSIZE) |
+ ResTable_config::SCREENSIZE_XLARGE;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseScreenLayoutLong(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_SCREENLONG) |
+ ResTable_config::SCREENLONG_ANY;
+ return true;
+ } else if (strcmp(name, "long") == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_SCREENLONG) |
+ ResTable_config::SCREENLONG_YES;
+ return true;
+ } else if (strcmp(name, "notlong") == 0) {
+ if (out)
+ out->screenLayout =
+ (out->screenLayout & ~ResTable_config::MASK_SCREENLONG) |
+ ResTable_config::SCREENLONG_NO;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseScreenRound(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out)
+ out->screenLayout2 =
+ (out->screenLayout2 & ~ResTable_config::MASK_SCREENROUND) |
+ ResTable_config::SCREENROUND_ANY;
+ return true;
+ } else if (strcmp(name, "round") == 0) {
+ if (out)
+ out->screenLayout2 =
+ (out->screenLayout2 & ~ResTable_config::MASK_SCREENROUND) |
+ ResTable_config::SCREENROUND_YES;
+ return true;
+ } else if (strcmp(name, "notround") == 0) {
+ if (out)
+ out->screenLayout2 =
+ (out->screenLayout2 & ~ResTable_config::MASK_SCREENROUND) |
+ ResTable_config::SCREENROUND_NO;
+ return true;
+ }
+ return false;
+}
+
+static bool parseWideColorGamut(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out)
+ out->colorMode =
+ (out->colorMode & ~ResTable_config::MASK_WIDE_COLOR_GAMUT) |
+ ResTable_config::WIDE_COLOR_GAMUT_ANY;
+ return true;
+ } else if (strcmp(name, "widecg") == 0) {
+ if (out)
+ out->colorMode =
+ (out->colorMode & ~ResTable_config::MASK_WIDE_COLOR_GAMUT) |
+ ResTable_config::WIDE_COLOR_GAMUT_YES;
+ return true;
+ } else if (strcmp(name, "nowidecg") == 0) {
+ if (out)
+ out->colorMode =
+ (out->colorMode & ~ResTable_config::MASK_WIDE_COLOR_GAMUT) |
+ ResTable_config::WIDE_COLOR_GAMUT_NO;
+ return true;
+ }
+ return false;
+}
+
+static bool parseHdr(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out)
+ out->colorMode =
+ (out->colorMode & ~ResTable_config::MASK_HDR) |
+ ResTable_config::HDR_ANY;
+ return true;
+ } else if (strcmp(name, "highdr") == 0) {
+ if (out)
+ out->colorMode =
+ (out->colorMode & ~ResTable_config::MASK_HDR) |
+ ResTable_config::HDR_YES;
+ return true;
+ } else if (strcmp(name, "lowdr") == 0) {
+ if (out)
+ out->colorMode =
+ (out->colorMode & ~ResTable_config::MASK_HDR) |
+ ResTable_config::HDR_NO;
+ return true;
+ }
+ return false;
+}
+
+static bool parseOrientation(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) out->orientation = out->ORIENTATION_ANY;
+ return true;
+ } else if (strcmp(name, "port") == 0) {
+ if (out) out->orientation = out->ORIENTATION_PORT;
+ return true;
+ } else if (strcmp(name, "land") == 0) {
+ if (out) out->orientation = out->ORIENTATION_LAND;
+ return true;
+ } else if (strcmp(name, "square") == 0) {
+ if (out) out->orientation = out->ORIENTATION_SQUARE;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseUiModeType(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
+ ResTable_config::UI_MODE_TYPE_ANY;
+ return true;
+ } else if (strcmp(name, "desk") == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
+ ResTable_config::UI_MODE_TYPE_DESK;
+ return true;
+ } else if (strcmp(name, "car") == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
+ ResTable_config::UI_MODE_TYPE_CAR;
+ return true;
+ } else if (strcmp(name, "television") == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
+ ResTable_config::UI_MODE_TYPE_TELEVISION;
+ return true;
+ } else if (strcmp(name, "appliance") == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
+ ResTable_config::UI_MODE_TYPE_APPLIANCE;
+ return true;
+ } else if (strcmp(name, "watch") == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
+ ResTable_config::UI_MODE_TYPE_WATCH;
+ return true;
+ } else if (strcmp(name, "vrheadset") == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_TYPE) |
+ ResTable_config::UI_MODE_TYPE_VR_HEADSET;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseUiModeNight(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_NIGHT) |
+ ResTable_config::UI_MODE_NIGHT_ANY;
+ return true;
+ } else if (strcmp(name, "night") == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_NIGHT) |
+ ResTable_config::UI_MODE_NIGHT_YES;
+ return true;
+ } else if (strcmp(name, "notnight") == 0) {
+ if (out)
+ out->uiMode = (out->uiMode & ~ResTable_config::MASK_UI_MODE_NIGHT) |
+ ResTable_config::UI_MODE_NIGHT_NO;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseDensity(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) out->density = ResTable_config::DENSITY_DEFAULT;
+ return true;
+ }
+
+ if (strcmp(name, "anydpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_ANY;
+ return true;
+ }
+
+ if (strcmp(name, "nodpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_NONE;
+ return true;
+ }
+
+ if (strcmp(name, "ldpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_LOW;
+ return true;
+ }
+
+ if (strcmp(name, "mdpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_MEDIUM;
+ return true;
+ }
+
+ if (strcmp(name, "tvdpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_TV;
+ return true;
+ }
+
+ if (strcmp(name, "hdpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_HIGH;
+ return true;
+ }
+
+ if (strcmp(name, "xhdpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_XHIGH;
+ return true;
+ }
+
+ if (strcmp(name, "xxhdpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_XXHIGH;
+ return true;
+ }
+
+ if (strcmp(name, "xxxhdpi") == 0) {
+ if (out) out->density = ResTable_config::DENSITY_XXXHIGH;
+ return true;
+ }
+
+ char* c = (char*)name;
+ while (*c >= '0' && *c <= '9') {
+ c++;
+ }
+
+ // check that we have 'dpi' after the last digit.
+ if (toupper(c[0]) != 'D' || toupper(c[1]) != 'P' || toupper(c[2]) != 'I' ||
+ c[3] != 0) {
+ return false;
+ }
+
+ // temporarily replace the first letter with \0 to
+ // use atoi.
+ char tmp = c[0];
+ c[0] = '\0';
+
+ int d = atoi(name);
+ c[0] = tmp;
+
+ if (d != 0) {
+ if (out) out->density = d;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseTouchscreen(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) out->touchscreen = out->TOUCHSCREEN_ANY;
+ return true;
+ } else if (strcmp(name, "notouch") == 0) {
+ if (out) out->touchscreen = out->TOUCHSCREEN_NOTOUCH;
+ return true;
+ } else if (strcmp(name, "stylus") == 0) {
+ if (out) out->touchscreen = out->TOUCHSCREEN_STYLUS;
+ return true;
+ } else if (strcmp(name, "finger") == 0) {
+ if (out) out->touchscreen = out->TOUCHSCREEN_FINGER;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseKeysHidden(const char* name, ResTable_config* out) {
+ uint8_t mask = 0;
+ uint8_t value = 0;
+ if (strcmp(name, kWildcardName) == 0) {
+ mask = ResTable_config::MASK_KEYSHIDDEN;
+ value = ResTable_config::KEYSHIDDEN_ANY;
+ } else if (strcmp(name, "keysexposed") == 0) {
+ mask = ResTable_config::MASK_KEYSHIDDEN;
+ value = ResTable_config::KEYSHIDDEN_NO;
+ } else if (strcmp(name, "keyshidden") == 0) {
+ mask = ResTable_config::MASK_KEYSHIDDEN;
+ value = ResTable_config::KEYSHIDDEN_YES;
+ } else if (strcmp(name, "keyssoft") == 0) {
+ mask = ResTable_config::MASK_KEYSHIDDEN;
+ value = ResTable_config::KEYSHIDDEN_SOFT;
+ }
+
+ if (mask != 0) {
+ if (out) out->inputFlags = (out->inputFlags & ~mask) | value;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseKeyboard(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) out->keyboard = out->KEYBOARD_ANY;
+ return true;
+ } else if (strcmp(name, "nokeys") == 0) {
+ if (out) out->keyboard = out->KEYBOARD_NOKEYS;
+ return true;
+ } else if (strcmp(name, "qwerty") == 0) {
+ if (out) out->keyboard = out->KEYBOARD_QWERTY;
+ return true;
+ } else if (strcmp(name, "12key") == 0) {
+ if (out) out->keyboard = out->KEYBOARD_12KEY;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseNavHidden(const char* name, ResTable_config* out) {
+ uint8_t mask = 0;
+ uint8_t value = 0;
+ if (strcmp(name, kWildcardName) == 0) {
+ mask = ResTable_config::MASK_NAVHIDDEN;
+ value = ResTable_config::NAVHIDDEN_ANY;
+ } else if (strcmp(name, "navexposed") == 0) {
+ mask = ResTable_config::MASK_NAVHIDDEN;
+ value = ResTable_config::NAVHIDDEN_NO;
+ } else if (strcmp(name, "navhidden") == 0) {
+ mask = ResTable_config::MASK_NAVHIDDEN;
+ value = ResTable_config::NAVHIDDEN_YES;
+ }
+
+ if (mask != 0) {
+ if (out) out->inputFlags = (out->inputFlags & ~mask) | value;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseNavigation(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) out->navigation = out->NAVIGATION_ANY;
+ return true;
+ } else if (strcmp(name, "nonav") == 0) {
+ if (out) out->navigation = out->NAVIGATION_NONAV;
+ return true;
+ } else if (strcmp(name, "dpad") == 0) {
+ if (out) out->navigation = out->NAVIGATION_DPAD;
+ return true;
+ } else if (strcmp(name, "trackball") == 0) {
+ if (out) out->navigation = out->NAVIGATION_TRACKBALL;
+ return true;
+ } else if (strcmp(name, "wheel") == 0) {
+ if (out) out->navigation = out->NAVIGATION_WHEEL;
+ return true;
+ }
+
+ return false;
+}
+
+static bool parseScreenSize(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) {
+ out->screenWidth = out->SCREENWIDTH_ANY;
+ out->screenHeight = out->SCREENHEIGHT_ANY;
+ }
+ return true;
+ }
+
+ const char* x = name;
+ while (*x >= '0' && *x <= '9') x++;
+ if (x == name || *x != 'x') return false;
+ std::string xName(name, x - name);
+ x++;
+
+ const char* y = x;
+ while (*y >= '0' && *y <= '9') y++;
+ if (y == name || *y != 0) return false;
+ std::string yName(x, y - x);
+
+ uint16_t w = (uint16_t)atoi(xName.c_str());
+ uint16_t h = (uint16_t)atoi(yName.c_str());
+ if (w < h) {
+ return false;
+ }
+
+ if (out) {
+ out->screenWidth = w;
+ out->screenHeight = h;
+ }
+
+ return true;
+}
+
+static bool parseSmallestScreenWidthDp(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) {
+ out->smallestScreenWidthDp = out->SCREENWIDTH_ANY;
+ }
+ return true;
+ }
+
+ if (*name != 's') return false;
+ name++;
+ if (*name != 'w') return false;
+ name++;
+ const char* x = name;
+ while (*x >= '0' && *x <= '9') x++;
+ if (x == name || x[0] != 'd' || x[1] != 'p' || x[2] != 0) return false;
+ std::string xName(name, x - name);
+
+ if (out) {
+ out->smallestScreenWidthDp = (uint16_t)atoi(xName.c_str());
+ }
+
+ return true;
+}
+
+static bool parseScreenWidthDp(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) {
+ out->screenWidthDp = out->SCREENWIDTH_ANY;
+ }
+ return true;
+ }
+
+ if (*name != 'w') return false;
+ name++;
+ const char* x = name;
+ while (*x >= '0' && *x <= '9') x++;
+ if (x == name || x[0] != 'd' || x[1] != 'p' || x[2] != 0) return false;
+ std::string xName(name, x - name);
+
+ if (out) {
+ out->screenWidthDp = (uint16_t)atoi(xName.c_str());
+ }
+
+ return true;
+}
+
+static bool parseScreenHeightDp(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) {
+ out->screenHeightDp = out->SCREENWIDTH_ANY;
+ }
+ return true;
+ }
+
+ if (*name != 'h') return false;
+ name++;
+ const char* x = name;
+ while (*x >= '0' && *x <= '9') x++;
+ if (x == name || x[0] != 'd' || x[1] != 'p' || x[2] != 0) return false;
+ std::string xName(name, x - name);
+
+ if (out) {
+ out->screenHeightDp = (uint16_t)atoi(xName.c_str());
+ }
+
+ return true;
+}
+
+static bool parseVersion(const char* name, ResTable_config* out) {
+ if (strcmp(name, kWildcardName) == 0) {
+ if (out) {
+ out->sdkVersion = out->SDKVERSION_ANY;
+ out->minorVersion = out->MINORVERSION_ANY;
+ }
+ return true;
+ }
+
+ if (*name != 'v') {
+ return false;
+ }
+
+ name++;
+ const char* s = name;
+ while (*s >= '0' && *s <= '9') s++;
+ if (s == name || *s != 0) return false;
+ std::string sdkName(name, s - name);
+
+ if (out) {
+ out->sdkVersion = (uint16_t)atoi(sdkName.c_str());
+ out->minorVersion = 0;
+ }
+
+ return true;
+}
+
+bool ConfigDescription::Parse(const StringPiece& str, ConfigDescription* out) {
+ std::vector<std::string> parts = util::SplitAndLowercase(str, '-');
+
+ ConfigDescription config;
+ ssize_t parts_consumed = 0;
+ LocaleValue locale;
+
+ const auto parts_end = parts.end();
+ auto part_iter = parts.begin();
+
+ if (str.size() == 0) {
+ goto success;
+ }
+
+ if (parseMcc(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseMnc(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ // Locale spans a few '-' separators, so we let it
+ // control the index.
+ parts_consumed = locale.InitFromParts(part_iter, parts_end);
+ if (parts_consumed < 0) {
+ return false;
+ } else {
+ locale.WriteTo(&config);
+ part_iter += parts_consumed;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseLayoutDirection(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseSmallestScreenWidthDp(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseScreenWidthDp(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseScreenHeightDp(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseScreenLayoutSize(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseScreenLayoutLong(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseScreenRound(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseWideColorGamut(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseHdr(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseOrientation(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseUiModeType(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseUiModeNight(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseDensity(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseTouchscreen(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseKeysHidden(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseKeyboard(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseNavHidden(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseNavigation(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseScreenSize(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ if (parseVersion(part_iter->c_str(), &config)) {
+ ++part_iter;
+ if (part_iter == parts_end) {
+ goto success;
+ }
+ }
+
+ // Unrecognized.
+ return false;
+
+success:
+ if (out != NULL) {
+ ApplyVersionForCompatibility(&config);
+ *out = config;
+ }
+ return true;
+}
+
+void ConfigDescription::ApplyVersionForCompatibility(
+ ConfigDescription* config) {
+ uint16_t min_sdk = 0;
+ if ((config->uiMode & ResTable_config::MASK_UI_MODE_TYPE)
+ == ResTable_config::UI_MODE_TYPE_VR_HEADSET ||
+ config->colorMode & ResTable_config::MASK_WIDE_COLOR_GAMUT ||
+ config->colorMode & ResTable_config::MASK_HDR) {
+ min_sdk = SDK_O;
+ } else if (config->screenLayout2 & ResTable_config::MASK_SCREENROUND) {
+ min_sdk = SDK_MARSHMALLOW;
+ } else if (config->density == ResTable_config::DENSITY_ANY) {
+ min_sdk = SDK_LOLLIPOP;
+ } else if (config->smallestScreenWidthDp !=
+ ResTable_config::SCREENWIDTH_ANY ||
+ config->screenWidthDp != ResTable_config::SCREENWIDTH_ANY ||
+ config->screenHeightDp != ResTable_config::SCREENHEIGHT_ANY) {
+ min_sdk = SDK_HONEYCOMB_MR2;
+ } else if ((config->uiMode & ResTable_config::MASK_UI_MODE_TYPE) !=
+ ResTable_config::UI_MODE_TYPE_ANY ||
+ (config->uiMode & ResTable_config::MASK_UI_MODE_NIGHT) !=
+ ResTable_config::UI_MODE_NIGHT_ANY) {
+ min_sdk = SDK_FROYO;
+ } else if ((config->screenLayout & ResTable_config::MASK_SCREENSIZE) !=
+ ResTable_config::SCREENSIZE_ANY ||
+ (config->screenLayout & ResTable_config::MASK_SCREENLONG) !=
+ ResTable_config::SCREENLONG_ANY ||
+ config->density != ResTable_config::DENSITY_DEFAULT) {
+ min_sdk = SDK_DONUT;
+ }
+
+ if (min_sdk > config->sdkVersion) {
+ config->sdkVersion = min_sdk;
+ }
+}
+
+ConfigDescription ConfigDescription::CopyWithoutSdkVersion() const {
+ ConfigDescription copy = *this;
+ copy.sdkVersion = 0;
+ return copy;
+}
+
+std::string ConfigDescription::GetBcp47LanguageTag(bool canonicalize) const {
+ char locale[RESTABLE_MAX_LOCALE_LEN];
+ getBcp47Locale(locale, canonicalize);
+ return std::string(locale);
+}
+
+std::string ConfigDescription::to_string() const {
+ const String8 str = toString();
+ return std::string(str.string(), str.size());
+}
+
+bool ConfigDescription::Dominates(const ConfigDescription& o) const {
+ if (*this == o) {
+ return true;
+ }
+
+ // Locale de-duping is not-trivial, disable for now (b/62409213).
+ if (diff(o) & CONFIG_LOCALE) {
+ return false;
+ }
+
+ if (*this == DefaultConfig()) {
+ return true;
+ }
+ return MatchWithDensity(o) && !o.MatchWithDensity(*this) &&
+ !isMoreSpecificThan(o) && !o.HasHigherPrecedenceThan(*this);
+}
+
+bool ConfigDescription::HasHigherPrecedenceThan(
+ const ConfigDescription& o) const {
+ // The order of the following tests defines the importance of one
+ // configuration parameter over another. Those tests first are more
+ // important, trumping any values in those following them.
+ // The ordering should be the same as ResTable_config#isBetterThan.
+ if (mcc || o.mcc) return (!o.mcc);
+ if (mnc || o.mnc) return (!o.mnc);
+ if (language[0] || o.language[0]) return (!o.language[0]);
+ if (country[0] || o.country[0]) return (!o.country[0]);
+ // Script and variant require either a language or country, both of which
+ // have higher precedence.
+ if ((screenLayout | o.screenLayout) & MASK_LAYOUTDIR) {
+ return !(o.screenLayout & MASK_LAYOUTDIR);
+ }
+ if (smallestScreenWidthDp || o.smallestScreenWidthDp)
+ return (!o.smallestScreenWidthDp);
+ if (screenWidthDp || o.screenWidthDp) return (!o.screenWidthDp);
+ if (screenHeightDp || o.screenHeightDp) return (!o.screenHeightDp);
+ if ((screenLayout | o.screenLayout) & MASK_SCREENSIZE) {
+ return !(o.screenLayout & MASK_SCREENSIZE);
+ }
+ if ((screenLayout | o.screenLayout) & MASK_SCREENLONG) {
+ return !(o.screenLayout & MASK_SCREENLONG);
+ }
+ if ((screenLayout2 | o.screenLayout2) & MASK_SCREENROUND) {
+ return !(o.screenLayout2 & MASK_SCREENROUND);
+ }
+ if ((colorMode | o.colorMode) & MASK_HDR) {
+ return !(o.colorMode & MASK_HDR);
+ }
+ if ((colorMode | o.colorMode) & MASK_WIDE_COLOR_GAMUT) {
+ return !(o.colorMode & MASK_WIDE_COLOR_GAMUT);
+ }
+ if (orientation || o.orientation) return (!o.orientation);
+ if ((uiMode | o.uiMode) & MASK_UI_MODE_TYPE) {
+ return !(o.uiMode & MASK_UI_MODE_TYPE);
+ }
+ if ((uiMode | o.uiMode) & MASK_UI_MODE_NIGHT) {
+ return !(o.uiMode & MASK_UI_MODE_NIGHT);
+ }
+ if (density || o.density) return (!o.density);
+ if (touchscreen || o.touchscreen) return (!o.touchscreen);
+ if ((inputFlags | o.inputFlags) & MASK_KEYSHIDDEN) {
+ return !(o.inputFlags & MASK_KEYSHIDDEN);
+ }
+ if ((inputFlags | o.inputFlags) & MASK_NAVHIDDEN) {
+ return !(o.inputFlags & MASK_NAVHIDDEN);
+ }
+ if (keyboard || o.keyboard) return (!o.keyboard);
+ if (navigation || o.navigation) return (!o.navigation);
+ if (screenWidth || o.screenWidth) return (!o.screenWidth);
+ if (screenHeight || o.screenHeight) return (!o.screenHeight);
+ if (sdkVersion || o.sdkVersion) return (!o.sdkVersion);
+ if (minorVersion || o.minorVersion) return (!o.minorVersion);
+ // Both configurations have nothing defined except some possible future
+ // value. Returning the comparison of the two configurations is a
+ // "best effort" at this point to protect against incorrect dominations.
+ return *this != o;
+}
+
+bool ConfigDescription::ConflictsWith(const ConfigDescription& o) const {
+ // This method should be updated as new configuration parameters are
+ // introduced (e.g. screenConfig2).
+ auto pred = [](const uint32_t a, const uint32_t b) -> bool {
+ return a == 0 || b == 0 || a == b;
+ };
+ // The values here can be found in ResTable_config#match. Density and range
+ // values can't lead to conflicts, and are ignored.
+ return !pred(mcc, o.mcc) || !pred(mnc, o.mnc) || !pred(locale, o.locale) ||
+ !pred(screenLayout & MASK_LAYOUTDIR,
+ o.screenLayout & MASK_LAYOUTDIR) ||
+ !pred(screenLayout & MASK_SCREENLONG,
+ o.screenLayout & MASK_SCREENLONG) ||
+ !pred(uiMode & MASK_UI_MODE_TYPE, o.uiMode & MASK_UI_MODE_TYPE) ||
+ !pred(uiMode & MASK_UI_MODE_NIGHT, o.uiMode & MASK_UI_MODE_NIGHT) ||
+ !pred(screenLayout2 & MASK_SCREENROUND,
+ o.screenLayout2 & MASK_SCREENROUND) ||
+ !pred(colorMode & MASK_HDR, o.colorMode & MASK_HDR) ||
+ !pred(colorMode & MASK_WIDE_COLOR_GAMUT,
+ o.colorMode & MASK_WIDE_COLOR_GAMUT) ||
+ !pred(orientation, o.orientation) ||
+ !pred(touchscreen, o.touchscreen) ||
+ !pred(inputFlags & MASK_KEYSHIDDEN, o.inputFlags & MASK_KEYSHIDDEN) ||
+ !pred(inputFlags & MASK_NAVHIDDEN, o.inputFlags & MASK_NAVHIDDEN) ||
+ !pred(keyboard, o.keyboard) || !pred(navigation, o.navigation);
+}
+
+bool ConfigDescription::IsCompatibleWith(const ConfigDescription& o) const {
+ return !ConflictsWith(o) && !Dominates(o) && !o.Dominates(*this);
+}
+
+} // namespace android
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 08:18:35 +0000