1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/omx-plugin/include/froyo/utils/TextOutput.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,190 @@
1.4 +/*
1.5 + * Copyright (C) 2006 The Android Open Source Project
1.6 + *
1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
1.8 + * you may not use this file except in compliance with the License.
1.9 + * You may obtain a copy of the License at
1.10 + *
1.11 + * http://www.apache.org/licenses/LICENSE-2.0
1.12 + *
1.13 + * Unless required by applicable law or agreed to in writing, software
1.14 + * distributed under the License is distributed on an "AS IS" BASIS,
1.15 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.16 + * See the License for the specific language governing permissions and
1.17 + * limitations under the License.
1.18 + */
1.19 +
1.20 +#ifndef ANDROID_TEXTOUTPUT_H
1.21 +#define ANDROID_TEXTOUTPUT_H
1.22 +
1.23 +#include <utils/Errors.h>
1.24 +
1.25 +#include <stdint.h>
1.26 +#include <string.h>
1.27 +
1.28 +// ---------------------------------------------------------------------------
1.29 +namespace android {
1.30 +
1.31 +class TextOutput
1.32 +{
1.33 +public:
1.34 + TextOutput();
1.35 + virtual ~TextOutput();
1.36 +
1.37 + virtual status_t print(const char* txt, size_t len) = 0;
1.38 + virtual void moveIndent(int delta) = 0;
1.39 +
1.40 + class Bundle {
1.41 + public:
1.42 + inline Bundle(TextOutput& to) : mTO(to) { to.pushBundle(); }
1.43 + inline ~Bundle() { mTO.popBundle(); }
1.44 + private:
1.45 + TextOutput& mTO;
1.46 + };
1.47 +
1.48 + virtual void pushBundle() = 0;
1.49 + virtual void popBundle() = 0;
1.50 +};
1.51 +
1.52 +// ---------------------------------------------------------------------------
1.53 +
1.54 +// Text output stream for printing to the log (via utils/Log.h).
1.55 +extern TextOutput& alog;
1.56 +
1.57 +// Text output stream for printing to stdout.
1.58 +extern TextOutput& aout;
1.59 +
1.60 +// Text output stream for printing to stderr.
1.61 +extern TextOutput& aerr;
1.62 +
1.63 +typedef TextOutput& (*TextOutputManipFunc)(TextOutput&);
1.64 +
1.65 +TextOutput& endl(TextOutput& to);
1.66 +TextOutput& indent(TextOutput& to);
1.67 +TextOutput& dedent(TextOutput& to);
1.68 +
1.69 +TextOutput& operator<<(TextOutput& to, const char* str);
1.70 +TextOutput& operator<<(TextOutput& to, char); // writes raw character
1.71 +TextOutput& operator<<(TextOutput& to, bool);
1.72 +TextOutput& operator<<(TextOutput& to, int);
1.73 +TextOutput& operator<<(TextOutput& to, long);
1.74 +TextOutput& operator<<(TextOutput& to, unsigned int);
1.75 +TextOutput& operator<<(TextOutput& to, unsigned long);
1.76 +TextOutput& operator<<(TextOutput& to, long long);
1.77 +TextOutput& operator<<(TextOutput& to, unsigned long long);
1.78 +TextOutput& operator<<(TextOutput& to, float);
1.79 +TextOutput& operator<<(TextOutput& to, double);
1.80 +TextOutput& operator<<(TextOutput& to, TextOutputManipFunc func);
1.81 +TextOutput& operator<<(TextOutput& to, const void*);
1.82 +
1.83 +class TypeCode
1.84 +{
1.85 +public:
1.86 + inline TypeCode(uint32_t code);
1.87 + inline ~TypeCode();
1.88 +
1.89 + inline uint32_t typeCode() const;
1.90 +
1.91 +private:
1.92 + uint32_t mCode;
1.93 +};
1.94 +
1.95 +TextOutput& operator<<(TextOutput& to, const TypeCode& val);
1.96 +
1.97 +class HexDump
1.98 +{
1.99 +public:
1.100 + HexDump(const void *buf, size_t size, size_t bytesPerLine=16);
1.101 + inline ~HexDump();
1.102 +
1.103 + inline HexDump& setBytesPerLine(size_t bytesPerLine);
1.104 + inline HexDump& setSingleLineCutoff(int32_t bytes);
1.105 + inline HexDump& setAlignment(size_t alignment);
1.106 + inline HexDump& setCArrayStyle(bool enabled);
1.107 +
1.108 + inline const void* buffer() const;
1.109 + inline size_t size() const;
1.110 + inline size_t bytesPerLine() const;
1.111 + inline int32_t singleLineCutoff() const;
1.112 + inline size_t alignment() const;
1.113 + inline bool carrayStyle() const;
1.114 +
1.115 +private:
1.116 + const void* mBuffer;
1.117 + size_t mSize;
1.118 + size_t mBytesPerLine;
1.119 + int32_t mSingleLineCutoff;
1.120 + size_t mAlignment;
1.121 + bool mCArrayStyle;
1.122 +};
1.123 +
1.124 +TextOutput& operator<<(TextOutput& to, const HexDump& val);
1.125 +
1.126 +// ---------------------------------------------------------------------------
1.127 +// No user servicable parts below.
1.128 +
1.129 +inline TextOutput& endl(TextOutput& to)
1.130 +{
1.131 + to.print("\n", 1);
1.132 + return to;
1.133 +}
1.134 +
1.135 +inline TextOutput& indent(TextOutput& to)
1.136 +{
1.137 + to.moveIndent(1);
1.138 + return to;
1.139 +}
1.140 +
1.141 +inline TextOutput& dedent(TextOutput& to)
1.142 +{
1.143 + to.moveIndent(-1);
1.144 + return to;
1.145 +}
1.146 +
1.147 +inline TextOutput& operator<<(TextOutput& to, const char* str)
1.148 +{
1.149 + to.print(str, strlen(str));
1.150 + return to;
1.151 +}
1.152 +
1.153 +inline TextOutput& operator<<(TextOutput& to, char c)
1.154 +{
1.155 + to.print(&c, 1);
1.156 + return to;
1.157 +}
1.158 +
1.159 +inline TextOutput& operator<<(TextOutput& to, TextOutputManipFunc func)
1.160 +{
1.161 + return (*func)(to);
1.162 +}
1.163 +
1.164 +inline TypeCode::TypeCode(uint32_t code) : mCode(code) { }
1.165 +inline TypeCode::~TypeCode() { }
1.166 +inline uint32_t TypeCode::typeCode() const { return mCode; }
1.167 +
1.168 +inline HexDump::~HexDump() { }
1.169 +
1.170 +inline HexDump& HexDump::setBytesPerLine(size_t bytesPerLine) {
1.171 + mBytesPerLine = bytesPerLine; return *this;
1.172 +}
1.173 +inline HexDump& HexDump::setSingleLineCutoff(int32_t bytes) {
1.174 + mSingleLineCutoff = bytes; return *this;
1.175 +}
1.176 +inline HexDump& HexDump::setAlignment(size_t alignment) {
1.177 + mAlignment = alignment; return *this;
1.178 +}
1.179 +inline HexDump& HexDump::setCArrayStyle(bool enabled) {
1.180 + mCArrayStyle = enabled; return *this;
1.181 +}
1.182 +
1.183 +inline const void* HexDump::buffer() const { return mBuffer; }
1.184 +inline size_t HexDump::size() const { return mSize; }
1.185 +inline size_t HexDump::bytesPerLine() const { return mBytesPerLine; }
1.186 +inline int32_t HexDump::singleLineCutoff() const { return mSingleLineCutoff; }
1.187 +inline size_t HexDump::alignment() const { return mAlignment; }
1.188 +inline bool HexDump::carrayStyle() const { return mCArrayStyle; }
1.189 +
1.190 +// ---------------------------------------------------------------------------
1.191 +}; // namespace android
1.192 +
1.193 +#endif // ANDROID_TEXTOUTPUT_H
