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/*
* Copyright (C) 2014 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/ResourceTypes.h>
#include <ctype.h>
#include "AaptConfig.h"
#include "AaptAssets.h"
#include "AaptUtil.h"
#include "ResourceFilter.h"
using android::String8;
using android::Vector;
using android::ResTable_config;
namespace AaptConfig {
static const char* kWildcardName = "any";
bool parse(const String8& str, ConfigDescription* out) {
Vector<String8> parts = AaptUtil::splitAndLowerCase(str, '-');
ConfigDescription config;
AaptLocaleValue locale;
ssize_t index = 0;
ssize_t localeIndex = 0;
const ssize_t N = parts.size();
const char* part = parts[index].string();
if (str.length() == 0) {
goto success;
}
if (parseMcc(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseMnc(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
// Locale spans a few '-' separators, so we let it
// control the index.
localeIndex = locale.initFromDirName(parts, index);
if (localeIndex < 0) {
return false;
} else if (localeIndex > index) {
locale.writeTo(&config);
index = localeIndex;
if (index >= N) {
goto success;
}
part = parts[index].string();
}
if (parseLayoutDirection(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseSmallestScreenWidthDp(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseScreenWidthDp(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseScreenHeightDp(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseScreenLayoutSize(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseScreenLayoutLong(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseOrientation(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseUiModeType(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseUiModeNight(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseDensity(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseTouchscreen(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseKeysHidden(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseKeyboard(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseNavHidden(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseNavigation(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseScreenSize(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
if (parseVersion(part, &config)) {
index++;
if (index == N) {
goto success;
}
part = parts[index].string();
}
// Unrecognized.
return false;
success:
if (out != NULL) {
applyVersionForCompatibility(&config);
*out = config;
}
return true;
}
bool parseCommaSeparatedList(const String8& str, std::set<ConfigDescription>* outSet) {
Vector<String8> parts = AaptUtil::splitAndLowerCase(str, ',');
const size_t N = parts.size();
for (size_t i = 0; i < N; i++) {
ConfigDescription config;
if (!parse(parts[i], &config)) {
return false;
}
outSet->insert(config);
}
return true;
}
void applyVersionForCompatibility(ConfigDescription* config) {
if (config == NULL) {
return;
}
uint16_t minSdk = 0;
if (config->density == ResTable_config::DENSITY_ANY) {
minSdk = SDK_L;
} 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;
}
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
String8 xName(name, x-name);
x++;
const char* y = x;
while (*y >= '0' && *y <= '9') y++;
if (y == name || *y != 0) return false;
String8 yName(x, y-x);
uint16_t w = (uint16_t)atoi(xName.string());
uint16_t h = (uint16_t)atoi(yName.string());
if (w < h) {
return false;
}
if (out) {
out->screenWidth = w;
out->screenHeight = h;
}
return true;
}
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;
String8 xName(name, x-name);
if (out) {
out->smallestScreenWidthDp = (uint16_t)atoi(xName.string());
}
return true;
}
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;
String8 xName(name, x-name);
if (out) {
out->screenWidthDp = (uint16_t)atoi(xName.string());
}
return true;
}
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;
String8 xName(name, x-name);
if (out) {
out->screenHeightDp = (uint16_t)atoi(xName.string());
}
return true;
}
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;
String8 sdkName(name, s-name);
if (out) {
out->sdkVersion = (uint16_t)atoi(sdkName.string());
out->minorVersion = 0;
}
return true;
}
String8 getVersion(const ResTable_config& config) {
return String8::format("v%u", config.sdkVersion);
}
bool isSameExcept(const ResTable_config& a, const ResTable_config& b, int axisMask) {
return a.diff(b) == axisMask;
}
} // namespace AaptConfig