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/*
* 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 "ConfigDescription.h"
#include "Locale.h"
#include "SdkConstants.h"
#include "util/StringPiece.h"
#include "util/Util.h"
#include <androidfw/ResourceTypes.h>
#include <string>
#include <vector>
namespace aapt {
using android::ResTable_config;
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->mcc = 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 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;
}
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 partsConsumed = 0;
LocaleValue locale;
const auto partsEnd = parts.end();
auto partIter = parts.begin();
if (str.size() == 0) {
goto success;
}
if (parseMcc(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseMnc(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
// Locale spans a few '-' separators, so we let it
// control the index.
partsConsumed = locale.initFromParts(partIter, partsEnd);
if (partsConsumed < 0) {
return false;
} else {
locale.writeTo(&config);
partIter += partsConsumed;
if (partIter == partsEnd) {
goto success;
}
}
if (parseLayoutDirection(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseSmallestScreenWidthDp(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseScreenWidthDp(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseScreenHeightDp(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseScreenLayoutSize(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseScreenLayoutLong(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseScreenRound(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseOrientation(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseUiModeType(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseUiModeNight(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseDensity(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseTouchscreen(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseKeysHidden(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseKeyboard(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseNavHidden(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseNavigation(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseScreenSize(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
if (parseVersion(partIter->c_str(), &config)) {
++partIter;
if (partIter == partsEnd) {
goto success;
}
}
// Unrecognized.
return false;
success:
if (out != NULL) {
applyVersionForCompatibility(&config);
*out = config;
}
return true;
}
void ConfigDescription::applyVersionForCompatibility(ConfigDescription* config) {
uint16_t minSdk = 0;
if (config->screenLayout2 & ResTable_config::MASK_SCREENROUND) {
minSdk = SDK_MARSHMALLOW;
} else if (config->density == ResTable_config::DENSITY_ANY) {
minSdk = SDK_LOLLIPOP;
} else if (config->smallestScreenWidthDp != ResTable_config::SCREENWIDTH_ANY
|| config->screenWidthDp != ResTable_config::SCREENWIDTH_ANY
|| config->screenHeightDp != ResTable_config::SCREENHEIGHT_ANY) {
minSdk = 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) {
minSdk = 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) {
minSdk = SDK_DONUT;
}
if (minSdk > config->sdkVersion) {
config->sdkVersion = minSdk;
}
}
} // namespace aapt