static void printCompatibleScreens(ResXMLTree& tree, String8* outError) {
size_t len;
ResXMLTree::event_code_t code;
int depth = 0;
bool first = true;
printf("compatible-screens:");
while ((code=tree.next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
if (code == ResXMLTree::END_TAG) {
depth--;
if (depth < 0) {
break;
}
continue;
}
if (code != ResXMLTree::START_TAG) {
continue;
}
depth++;
const char16_t* ctag16 = tree.getElementName(&len);
if (ctag16 == NULL) {
*outError = "failed to get XML element name (bad string pool)";
return;
}
String8 tag(ctag16);
if (tag == "screen") {
int32_t screenSize = AaptXml::getIntegerAttribute(tree,
SCREEN_SIZE_ATTR);
int32_t screenDensity = AaptXml::getIntegerAttribute(tree,
SCREEN_DENSITY_ATTR);
if (screenSize > 0 && screenDensity > 0) {
if (!first) {
printf(",");
}
first = false;
printf("'%d/%d'", screenSize, screenDensity);
}
}
}
printf("\n");
}
Vector<String8> getNfcAidCategories(AssetManager& assets, String8 xmlPath, bool offHost,
String8 *outError = NULL)
{
Asset* aidAsset = assets.openNonAsset(xmlPath, Asset::ACCESS_BUFFER);
if (aidAsset == NULL) {
if (outError != NULL) *outError = "xml resource does not exist";
return Vector<String8>();
}
const String8 serviceTagName(offHost ? "offhost-apdu-service" : "host-apdu-service");
bool withinApduService = false;
Vector<String8> categories;
String8 error;
ResXMLTree tree;
tree.setTo(aidAsset->getBuffer(true), aidAsset->getLength());
size_t len;
int depth = 0;
ResXMLTree::event_code_t code;
while ((code=tree.next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
if (code == ResXMLTree::END_TAG) {
depth--;
const char16_t* ctag16 = tree.getElementName(&len);
if (ctag16 == NULL) {
*outError = "failed to get XML element name (bad string pool)";
return Vector<String8>();
}
String8 tag(ctag16);
if (depth == 0 && tag == serviceTagName) {
withinApduService = false;
}
} else if (code == ResXMLTree::START_TAG) {
depth++;
const char16_t* ctag16 = tree.getElementName(&len);
if (ctag16 == NULL) {
*outError = "failed to get XML element name (bad string pool)";
return Vector<String8>();
}
String8 tag(ctag16);
if (depth == 1) {
if (tag == serviceTagName) {
withinApduService = true;
}
} else if (depth == 2 && withinApduService) {
if (tag == "aid-group") {
String8 category = AaptXml::getAttribute(tree, CATEGORY_ATTR, &error);
if (error != "") {
if (outError != NULL) *outError = error;
return Vector<String8>();
}
categories.add(category);
}
}
}
}
aidAsset->close();
return categories;
}
static bool getAppInfo(const String8& path, AppInfo& outInfo) {
memset(&outInfo, 0, sizeof(outInfo));
AssetManager assetManager;
int32_t cookie = 0;
if (!assetManager.addAssetPath(path, &cookie)) {
return false;
}
Asset* asset = assetManager.openNonAsset(cookie, "AndroidManifest.xml", Asset::ACCESS_BUFFER);
if (asset == NULL) {
return false;
}
ResXMLTree xml;
if (xml.setTo(asset->getBuffer(true), asset->getLength(), false) != NO_ERROR) {
delete asset;
return false;
}
const String16 kAndroidNamespace("http://schemas.android.com/apk/res/android");
const String16 kManifestTag("manifest");
const String16 kApplicationTag("application");
const String16 kUsesSdkTag("uses-sdk");
const String16 kVersionCodeAttr("versionCode");
const String16 kMultiArchAttr("multiArch");
const String16 kMinSdkVersionAttr("minSdkVersion");
ResXMLParser::event_code_t event;
while ((event = xml.next()) != ResXMLParser::BAD_DOCUMENT &&
event != ResXMLParser::END_DOCUMENT) {
if (event != ResXMLParser::START_TAG) {
continue;
}
size_t len;
const char16_t* name = xml.getElementName(&len);
String16 name16(name, len);
if (name16 == kManifestTag) {
ssize_t idx = xml.indexOfAttribute(
kAndroidNamespace.string(), kAndroidNamespace.size(),
kVersionCodeAttr.string(), kVersionCodeAttr.size());
if (idx >= 0) {
outInfo.versionCode = xml.getAttributeData(idx);
}
} else if (name16 == kApplicationTag) {
ssize_t idx = xml.indexOfAttribute(
kAndroidNamespace.string(), kAndroidNamespace.size(),
kMultiArchAttr.string(), kMultiArchAttr.size());
if (idx >= 0) {
outInfo.multiArch = xml.getAttributeData(idx) != 0;
}
} else if (name16 == kUsesSdkTag) {
ssize_t idx = xml.indexOfAttribute(
kAndroidNamespace.string(), kAndroidNamespace.size(),
kMinSdkVersionAttr.string(), kMinSdkVersionAttr.size());
if (idx >= 0) {
uint16_t type = xml.getAttributeDataType(idx);
if (type >= Res_value::TYPE_FIRST_INT && type <= Res_value::TYPE_LAST_INT) {
outInfo.minSdkVersion = xml.getAttributeData(idx);
} else if (type == Res_value::TYPE_STRING) {
String8 minSdk8(xml.getStrings().string8ObjectAt(idx));
char* endPtr;
int minSdk = strtol(minSdk8.string(), &endPtr, 10);
if (endPtr != minSdk8.string() + minSdk8.size()) {
fprintf(stderr, "warning: failed to parse android:minSdkVersion '%s'\n",
minSdk8.string());
} else {
outInfo.minSdkVersion = minSdk;
}
} else {
fprintf(stderr, "warning: unrecognized value for android:minSdkVersion.\n");
}
}
}
}
delete asset;
return true;
}
