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      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 <binder/TextOutput.h>
     18 
     19 #include <binder/Debug.h>
     20 
     21 #include <utils/String8.h>
     22 #include <utils/String16.h>
     23 
     24 #include <stdio.h>
     25 #include <stdlib.h>
     26 #include <string.h>
     27 
     28 namespace android {
     29 
     30 // ---------------------------------------------------------------------------
     31 
     32 TextOutput::TextOutput() {
     33 }
     34 
     35 TextOutput::~TextOutput() {
     36 }
     37 
     38 // ---------------------------------------------------------------------------
     39 
     40 TextOutput& operator<<(TextOutput& to, bool val)
     41 {
     42     if (val) to.print("true", 4);
     43     else to.print("false", 5);
     44     return to;
     45 }
     46 
     47 TextOutput& operator<<(TextOutput& to, int val)
     48 {
     49     char buf[16];
     50     sprintf(buf, "%d", val);
     51     to.print(buf, strlen(buf));
     52     return to;
     53 }
     54 
     55 TextOutput& operator<<(TextOutput& to, long val)
     56 {
     57     char buf[16];
     58     sprintf(buf, "%ld", val);
     59     to.print(buf, strlen(buf));
     60     return to;
     61 }
     62 
     63 TextOutput& operator<<(TextOutput& to, unsigned int val)
     64 {
     65     char buf[16];
     66     sprintf(buf, "%u", val);
     67     to.print(buf, strlen(buf));
     68     return to;
     69 }
     70 
     71 TextOutput& operator<<(TextOutput& to, unsigned long val)
     72 {
     73     char buf[16];
     74     sprintf(buf, "%lu", val);
     75     to.print(buf, strlen(buf));
     76     return to;
     77 }
     78 
     79 TextOutput& operator<<(TextOutput& to, long long val)
     80 {
     81     char buf[32];
     82     sprintf(buf, "%Ld", val);
     83     to.print(buf, strlen(buf));
     84     return to;
     85 }
     86 
     87 TextOutput& operator<<(TextOutput& to, unsigned long long val)
     88 {
     89     char buf[32];
     90     sprintf(buf, "%Lu", val);
     91     to.print(buf, strlen(buf));
     92     return to;
     93 }
     94 
     95 static TextOutput& print_float(TextOutput& to, double value)
     96 {
     97     char buf[64];
     98     sprintf(buf, "%g", value);
     99     if( !strchr(buf, '.') && !strchr(buf, 'e') &&
    100         !strchr(buf, 'E') ) {
    101         strncat(buf, ".0", sizeof(buf)-1);
    102     }
    103     to.print(buf, strlen(buf));
    104     return to;
    105 }
    106 
    107 TextOutput& operator<<(TextOutput& to, float val)
    108 {
    109     return print_float(to,val);
    110 }
    111 
    112 TextOutput& operator<<(TextOutput& to, double val)
    113 {
    114     return print_float(to,val);
    115 }
    116 
    117 TextOutput& operator<<(TextOutput& to, const void* val)
    118 {
    119     char buf[32];
    120     snprintf(buf, sizeof(buf), "%p", val);
    121     to.print(buf, strlen(buf));
    122     return to;
    123 }
    124 
    125 TextOutput& operator<<(TextOutput& to, const String8& val)
    126 {
    127     to << val.string();
    128     return to;
    129 }
    130 
    131 TextOutput& operator<<(TextOutput& to, const String16& val)
    132 {
    133     to << String8(val).string();
    134     return to;
    135 }
    136 
    137 static void textOutputPrinter(void* cookie, const char* txt)
    138 {
    139     ((TextOutput*)cookie)->print(txt, strlen(txt));
    140 }
    141 
    142 TextOutput& operator<<(TextOutput& to, const TypeCode& val)
    143 {
    144     printTypeCode(val.typeCode(), textOutputPrinter, (void*)&to);
    145     return to;
    146 }
    147 
    148 HexDump::HexDump(const void *buf, size_t size, size_t bytesPerLine)
    149     : mBuffer(buf)
    150     , mSize(size)
    151     , mBytesPerLine(bytesPerLine)
    152     , mSingleLineCutoff(16)
    153     , mAlignment(4)
    154     , mCArrayStyle(false)
    155 {
    156     if (bytesPerLine >= 16) mAlignment = 4;
    157     else if (bytesPerLine >= 8) mAlignment = 2;
    158     else mAlignment = 1;
    159 }
    160 
    161 TextOutput& operator<<(TextOutput& to, const HexDump& val)
    162 {
    163     printHexData(0, val.buffer(), val.size(), val.bytesPerLine(),
    164         val.singleLineCutoff(), val.alignment(), val.carrayStyle(),
    165         textOutputPrinter, (void*)&to);
    166     return to;
    167 }
    168 
    169 }; // namespace android
    170