1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/android/jni_array.h"
6 #include "base/android/jni_string.h"
7 #include "base/base_jni/CommandLine_jni.h"
8 #include "base/command_line.h"
9
10 using base::android::ConvertUTF8ToJavaString;
11 using base::android::ConvertJavaStringToUTF8;
12 using base::android::JavaParamRef;
13 using base::android::ScopedJavaLocalRef;
14 using base::CommandLine;
15
16 namespace {
17
JNI_CommandLine_AppendJavaStringArrayToCommandLine(JNIEnv * env,const JavaParamRef<jobjectArray> & array,bool includes_program)18 void JNI_CommandLine_AppendJavaStringArrayToCommandLine(
19 JNIEnv* env,
20 const JavaParamRef<jobjectArray>& array,
21 bool includes_program) {
22 std::vector<std::string> vec;
23 if (array)
24 base::android::AppendJavaStringArrayToStringVector(env, array, &vec);
25 if (!includes_program)
26 vec.insert(vec.begin(), std::string());
27 CommandLine extra_command_line(vec);
28 CommandLine::ForCurrentProcess()->AppendArguments(extra_command_line,
29 includes_program);
30 }
31
32 } // namespace
33
JNI_CommandLine_HasSwitch(JNIEnv * env,const JavaParamRef<jstring> & jswitch)34 static jboolean JNI_CommandLine_HasSwitch(
35 JNIEnv* env,
36 const JavaParamRef<jstring>& jswitch) {
37 std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
38 return CommandLine::ForCurrentProcess()->HasSwitch(switch_string);
39 }
40
JNI_CommandLine_GetSwitchValue(JNIEnv * env,const JavaParamRef<jstring> & jswitch)41 static ScopedJavaLocalRef<jstring> JNI_CommandLine_GetSwitchValue(
42 JNIEnv* env,
43 const JavaParamRef<jstring>& jswitch) {
44 std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
45 std::string value(CommandLine::ForCurrentProcess()->GetSwitchValueNative(
46 switch_string));
47 if (value.empty())
48 return ScopedJavaLocalRef<jstring>();
49 return ConvertUTF8ToJavaString(env, value);
50 }
51
JNI_CommandLine_GetSwitchesFlattened(JNIEnv * env)52 static ScopedJavaLocalRef<jobjectArray> JNI_CommandLine_GetSwitchesFlattened(
53 JNIEnv* env) {
54 // JNI doesn't support returning Maps. Instead, express this map as a 1
55 // dimensional array: [ key1, value1, key2, value2, ... ]
56 std::vector<std::string> keys_and_values;
57 for (const auto& entry : CommandLine::ForCurrentProcess()->GetSwitches()) {
58 keys_and_values.push_back(entry.first);
59 keys_and_values.push_back(entry.second);
60 }
61 return base::android::ToJavaArrayOfStrings(env, keys_and_values);
62 }
63
JNI_CommandLine_AppendSwitch(JNIEnv * env,const JavaParamRef<jstring> & jswitch)64 static void JNI_CommandLine_AppendSwitch(JNIEnv* env,
65 const JavaParamRef<jstring>& jswitch) {
66 std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
67 CommandLine::ForCurrentProcess()->AppendSwitch(switch_string);
68 }
69
JNI_CommandLine_AppendSwitchWithValue(JNIEnv * env,const JavaParamRef<jstring> & jswitch,const JavaParamRef<jstring> & jvalue)70 static void JNI_CommandLine_AppendSwitchWithValue(
71 JNIEnv* env,
72 const JavaParamRef<jstring>& jswitch,
73 const JavaParamRef<jstring>& jvalue) {
74 std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
75 std::string value_string(ConvertJavaStringToUTF8(env, jvalue));
76 CommandLine::ForCurrentProcess()->AppendSwitchASCII(switch_string,
77 value_string);
78 }
79
JNI_CommandLine_AppendSwitchesAndArguments(JNIEnv * env,const JavaParamRef<jobjectArray> & array)80 static void JNI_CommandLine_AppendSwitchesAndArguments(
81 JNIEnv* env,
82 const JavaParamRef<jobjectArray>& array) {
83 JNI_CommandLine_AppendJavaStringArrayToCommandLine(env, array, false);
84 }
85
JNI_CommandLine_RemoveSwitch(JNIEnv * env,const JavaParamRef<jstring> & jswitch)86 static void JNI_CommandLine_RemoveSwitch(JNIEnv* env,
87 const JavaParamRef<jstring>& jswitch) {
88 std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
89 CommandLine::ForCurrentProcess()->RemoveSwitch(switch_string);
90 }
91
JNI_CommandLine_Init(JNIEnv * env,const JavaParamRef<jobjectArray> & init_command_line)92 static void JNI_CommandLine_Init(
93 JNIEnv* env,
94 const JavaParamRef<jobjectArray>& init_command_line) {
95 // TODO(port): Make an overload of Init() that takes StringVector rather than
96 // have to round-trip via AppendArguments.
97 CommandLine::Init(0, nullptr);
98 JNI_CommandLine_AppendJavaStringArrayToCommandLine(env, init_command_line,
99 true);
100 }
101