Improve error logging for parsing failures (0a1a5167) · Commits · e / os / android_frameworks_base

core/java/android/util/PathParser.java

+2 −8

Original line number	Diff line number	Diff line
		@@ -31,12 +31,7 @@ public class PathParser {
		throw new IllegalArgumentException("Path string can not be null.");
		}
		Path path = new Path();
		boolean hasValidPathData = nParseStringForPath(path.mNativePath, pathString,
		pathString.length());
		if (!hasValidPathData) {
		throw new IllegalArgumentException("Path string: " + pathString +
		" does not contain valid path data");
		}
		nParseStringForPath(path.mNativePath, pathString, pathString.length());
		return path;
		}

		@@ -104,7 +99,6 @@ public class PathParser {
		}
		super.finalize();
		}

		}

		/**
		@@ -123,7 +117,7 @@ public class PathParser {
		}

		// Native functions are defined below.
		private static native boolean nParseStringForPath(long pathPtr, String pathString,
		private static native void nParseStringForPath(long pathPtr, String pathString,
		int stringLength);
		private static native void nCreatePathFromPathData(long outPathPtr, long pathData);
		private static native long nCreateEmptyPathData();

core/jni/android_graphics_drawable_VectorDrawable.cpp

+3 −0

Original line number	Diff line number	Diff line
		@@ -176,6 +176,9 @@ static void setPathString(JNIEnv* env, jobject, jlong pathPtr, jstring inputStr,
		PathParser::ParseResult result;
		PathData data;
		PathParser::getPathDataFromString(&data, &result, pathString, stringLength);
		if (result.failureOccurred) {
		doThrowIAE(env, result.failureMessage.c_str());
		}
		path->mutateStagingProperties()->setData(data);
		env->ReleaseStringUTFChars(inputStr, pathString);
		}

core/jni/android_util_PathParser.cpp

+5 −5

Original line number	Diff line number	Diff line
		@@ -15,6 +15,7 @@
		*/

		#include "jni.h"
		#include "GraphicsJNI.h"

		#include <PathParser.h>
		#include <SkPath.h>
		@@ -27,7 +28,7 @@ namespace android {

		using namespace uirenderer;

		static bool parseStringForPath(JNIEnv* env, jobject, jlong skPathHandle, jstring inputPathStr,
		static void parseStringForPath(JNIEnv* env, jobject, jlong skPathHandle, jstring inputPathStr,
		jint strLength) {
		const char* pathString = env->GetStringUTFChars(inputPathStr, NULL);
		SkPath* skPath = reinterpret_cast<SkPath*>(skPathHandle);
		@@ -36,9 +37,8 @@ static bool parseStringForPath(JNIEnv* env, jobject, jlong skPathHandle, jstring
		PathParser::parseStringForSkPath(skPath, &result, pathString, strLength);
		env->ReleaseStringUTFChars(inputPathStr, pathString);
		if (result.failureOccurred) {
		ALOGE(result.failureMessage.c_str());
		doThrowIAE(env, result.failureMessage.c_str());
		}
		return !result.failureOccurred;
		}

		static long createEmptyPathData(JNIEnv*, jobject) {
		@@ -62,7 +62,7 @@ static long createPathDataFromStringPath(JNIEnv* env, jobject, jstring inputStr,
		return reinterpret_cast<jlong>(pathData);
		} else {
		delete pathData;
		ALOGE(result.failureMessage.c_str());
		doThrowIAE(env, result.failureMessage.c_str());
		return NULL;
		}
		}
		@@ -100,7 +100,7 @@ static void setSkPathFromPathData(JNIEnv*, jobject, jlong outPathPtr, jlong path
		}

		static const JNINativeMethod gMethods[] = {
		{"nParseStringForPath", "(JLjava/lang/String;I)Z", (void*)parseStringForPath},
		{"nParseStringForPath", "(JLjava/lang/String;I)V", (void*)parseStringForPath},
		{"nCreateEmptyPathData", "!()J", (void*)createEmptyPathData},
		{"nCreatePathData", "!(J)J", (void*)createPathData},
		{"nCreatePathDataFromString", "(Ljava/lang/String;I)J", (void*)createPathDataFromStringPath},

libs/hwui/PathParser.cpp

+20 −2

Original line number	Diff line number	Diff line
		@@ -156,6 +156,12 @@ static void getFloats(std::vector<float>* outPoints, PathParser::ParseResult* re
		return;
		}

		bool PathParser::isVerbValid(char verb) {
		verb = tolower(verb);
		return verb == 'a' \|\| verb == 'c' \|\| verb == 'h' \|\| verb == 'l' \|\| verb == 'm' \|\| verb == 'q'
		\|\| verb == 's' \|\| verb == 't' \|\| verb == 'v' \|\| verb == 'z';
		}

		void PathParser::getPathDataFromString(PathData* data, ParseResult* result,
		const char* pathStr, size_t strLen) {
		if (pathStr == NULL) {
		@@ -171,6 +177,12 @@ void PathParser::getPathDataFromString(PathData* data, ParseResult* result,
		end = nextStart(pathStr, strLen, end);
		std::vector<float> points;
		getFloats(&points, result, pathStr, start, end);
		if (!isVerbValid(pathStr[start])) {
		result->failureOccurred = true;
		result->failureMessage = "Invalid pathData. Failure occurred at position "
		+ std::to_string(start) + " of path: " + pathStr;
		}
		// If either verb or points is not valid, return immediately.
		if (result->failureOccurred) {
		return;
		}
		@@ -182,10 +194,15 @@ void PathParser::getPathDataFromString(PathData* data, ParseResult* result,
		}

		if ((end - start) == 1 && start < strLen) {
		if (!isVerbValid(pathStr[start])) {
		result->failureOccurred = true;
		result->failureMessage = "Invalid pathData. Failure occurred at position "
		+ std::to_string(start) + " of path: " + pathStr;
		return;
		}
		data->verbs.push_back(pathStr[start]);
		data->verbSizes.push_back(0);
		}
		return;
		}

		void PathParser::dump(const PathData& data) {
		@@ -218,7 +235,8 @@ void PathParser::parseStringForSkPath(SkPath* skPath, ParseResult* result, const
		// Check if there is valid data coming out of parsing the string.
		if (pathData.verbs.size() == 0) {
		result->failureOccurred = true;
		result->failureMessage = "No verbs found in the string for pathData";
		result->failureMessage = "No verbs found in the string for pathData: ";
		result->failureMessage += pathStr;
		return;
		}
		VectorDrawableUtils::verbsToPath(skPath, pathData);

libs/hwui/PathParser.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -44,6 +44,7 @@ public:
		ANDROID_API static void getPathDataFromString(PathData* outData, ParseResult* result,
		const char* pathStr, size_t strLength);
		static void dump(const PathData& data);
		static bool isVerbValid(char verb);
		};

		}; // namespace uirenderer