1 /*
2 * Copyright (C) 2005 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <utils/TextOutput.h>
18
19 #include <utils/Debug.h>
20
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24
25 namespace android {
26
27 // ---------------------------------------------------------------------------
28
TextOutput()29 TextOutput::TextOutput() {
30 }
31
~TextOutput()32 TextOutput::~TextOutput() {
33 }
34
35 // ---------------------------------------------------------------------------
36
operator <<(TextOutput & to,bool val)37 TextOutput& operator<<(TextOutput& to, bool val)
38 {
39 if (val) to.print("true", 4);
40 else to.print("false", 5);
41 return to;
42 }
43
operator <<(TextOutput & to,int val)44 TextOutput& operator<<(TextOutput& to, int val)
45 {
46 char buf[16];
47 sprintf(buf, "%d", val);
48 to.print(buf, strlen(buf));
49 return to;
50 }
51
operator <<(TextOutput & to,long val)52 TextOutput& operator<<(TextOutput& to, long val)
53 {
54 char buf[16];
55 sprintf(buf, "%ld", val);
56 to.print(buf, strlen(buf));
57 return to;
58 }
59
operator <<(TextOutput & to,unsigned int val)60 TextOutput& operator<<(TextOutput& to, unsigned int val)
61 {
62 char buf[16];
63 sprintf(buf, "%u", val);
64 to.print(buf, strlen(buf));
65 return to;
66 }
67
operator <<(TextOutput & to,unsigned long val)68 TextOutput& operator<<(TextOutput& to, unsigned long val)
69 {
70 char buf[16];
71 sprintf(buf, "%lu", val);
72 to.print(buf, strlen(buf));
73 return to;
74 }
75
operator <<(TextOutput & to,long long val)76 TextOutput& operator<<(TextOutput& to, long long val)
77 {
78 char buf[32];
79 sprintf(buf, "%Ld", val);
80 to.print(buf, strlen(buf));
81 return to;
82 }
83
operator <<(TextOutput & to,unsigned long long val)84 TextOutput& operator<<(TextOutput& to, unsigned long long val)
85 {
86 char buf[32];
87 sprintf(buf, "%Lu", val);
88 to.print(buf, strlen(buf));
89 return to;
90 }
91
print_float(TextOutput & to,double value)92 static TextOutput& print_float(TextOutput& to, double value)
93 {
94 char buf[64];
95 sprintf(buf, "%g", value);
96 if( !strchr(buf, '.') && !strchr(buf, 'e') &&
97 !strchr(buf, 'E') ) {
98 strncat(buf, ".0", sizeof(buf)-1);
99 }
100 to.print(buf, strlen(buf));
101 return to;
102 }
103
operator <<(TextOutput & to,float val)104 TextOutput& operator<<(TextOutput& to, float val)
105 {
106 return print_float(to,val);
107 }
108
operator <<(TextOutput & to,double val)109 TextOutput& operator<<(TextOutput& to, double val)
110 {
111 return print_float(to,val);
112 }
113
operator <<(TextOutput & to,const void * val)114 TextOutput& operator<<(TextOutput& to, const void* val)
115 {
116 char buf[16];
117 sprintf(buf, "%p", val);
118 to.print(buf, strlen(buf));
119 return to;
120 }
121
textOutputPrinter(void * cookie,const char * txt)122 static void textOutputPrinter(void* cookie, const char* txt)
123 {
124 ((TextOutput*)cookie)->print(txt, strlen(txt));
125 }
126
operator <<(TextOutput & to,const TypeCode & val)127 TextOutput& operator<<(TextOutput& to, const TypeCode& val)
128 {
129 printTypeCode(val.typeCode(), textOutputPrinter, (void*)&to);
130 return to;
131 }
132
HexDump(const void * buf,size_t size,size_t bytesPerLine)133 HexDump::HexDump(const void *buf, size_t size, size_t bytesPerLine)
134 : mBuffer(buf)
135 , mSize(size)
136 , mBytesPerLine(bytesPerLine)
137 , mSingleLineCutoff(16)
138 , mAlignment(4)
139 , mCArrayStyle(false)
140 {
141 if (bytesPerLine >= 16) mAlignment = 4;
142 else if (bytesPerLine >= 8) mAlignment = 2;
143 else mAlignment = 1;
144 }
145
operator <<(TextOutput & to,const HexDump & val)146 TextOutput& operator<<(TextOutput& to, const HexDump& val)
147 {
148 printHexData(0, val.buffer(), val.size(), val.bytesPerLine(),
149 val.singleLineCutoff(), val.alignment(), val.carrayStyle(),
150 textOutputPrinter, (void*)&to);
151 return to;
152 }
153
154 }; // namespace android
155