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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/android/java/java_type.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
namespace content {
namespace {
// Array component type names are similar to JNI type names, except for using
// dots as namespace separators in class names.
std::unique_ptr<JavaType> CreateFromArrayComponentTypeName(
const std::string& type_name) {
std::unique_ptr<JavaType> result(new JavaType());
DCHECK(!type_name.empty());
switch (type_name[0]) {
case 'Z':
result->type = JavaType::TypeBoolean;
break;
case 'B':
result->type = JavaType::TypeByte;
break;
case 'C':
result->type = JavaType::TypeChar;
break;
case 'S':
result->type = JavaType::TypeShort;
break;
case 'I':
result->type = JavaType::TypeInt;
break;
case 'J':
result->type = JavaType::TypeLong;
break;
case 'F':
result->type = JavaType::TypeFloat;
break;
case 'D':
result->type = JavaType::TypeDouble;
break;
case '[':
result->type = JavaType::TypeArray;
result->inner_type =
CreateFromArrayComponentTypeName(type_name.substr(1));
break;
case 'L':
if (type_name == "Ljava.lang.String;") {
result->type = JavaType::TypeString;
result->class_jni_name = "java/lang/String";
} else {
result->type = JavaType::TypeObject;
result->class_jni_name = type_name.substr(1, type_name.length() - 2);
base::ReplaceSubstringsAfterOffset(
&result->class_jni_name, 0, ".", "/");
}
break;
default:
// Includes void (V).
NOTREACHED();
}
return result;
}
} // namespace
JavaType::JavaType() {
}
JavaType::JavaType(const JavaType& other) {
*this = other;
}
JavaType::~JavaType() {
}
JavaType& JavaType::operator=(const JavaType& other) {
if (this == &other)
return *this;
type = other.type;
if (other.inner_type) {
DCHECK_EQ(JavaType::TypeArray, type);
inner_type.reset(new JavaType(*other.inner_type));
} else {
inner_type.reset();
}
class_jni_name = other.class_jni_name;
return *this;
}
// static
JavaType JavaType::CreateFromBinaryName(const std::string& binary_name) {
JavaType result;
DCHECK(!binary_name.empty());
if (binary_name == "boolean") {
result.type = JavaType::TypeBoolean;
} else if (binary_name == "byte") {
result.type = JavaType::TypeByte;
} else if (binary_name == "char") {
result.type = JavaType::TypeChar;
} else if (binary_name == "short") {
result.type = JavaType::TypeShort;
} else if (binary_name == "int") {
result.type = JavaType::TypeInt;
} else if (binary_name == "long") {
result.type = JavaType::TypeLong;
} else if (binary_name == "float") {
result.type = JavaType::TypeFloat;
} else if (binary_name == "double") {
result.type = JavaType::TypeDouble;
} else if (binary_name == "void") {
result.type = JavaType::TypeVoid;
} else if (binary_name[0] == '[') {
result.type = JavaType::TypeArray;
result.inner_type = CreateFromArrayComponentTypeName(binary_name.substr(1));
} else if (binary_name == "java.lang.String") {
result.type = JavaType::TypeString;
result.class_jni_name = "java/lang/String";
} else {
result.type = JavaType::TypeObject;
result.class_jni_name = binary_name;
base::ReplaceSubstringsAfterOffset(&result.class_jni_name, 0, ".", "/");
}
return result;
}
std::string JavaType::JNIName() const {
switch (type) {
case JavaType::TypeBoolean:
return "Z";
case JavaType::TypeByte:
return "B";
case JavaType::TypeChar:
return "C";
case JavaType::TypeShort:
return "S";
case JavaType::TypeInt:
return "I";
case JavaType::TypeLong:
return "J";
case JavaType::TypeFloat:
return "F";
case JavaType::TypeDouble:
return "D";
case JavaType::TypeVoid:
return "V";
case JavaType::TypeArray:
return "[" + inner_type->JNISignature();
case JavaType::TypeString:
case JavaType::TypeObject:
return class_jni_name;
}
NOTREACHED();
return std::string();
}
std::string JavaType::JNISignature() const {
if (type == JavaType::TypeString || type == JavaType::TypeObject)
return "L" + JNIName() + ";";
else
return JNIName();
}
} // namespace content
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