[418] | 1 | #include "MemoryOutStream.h" |
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| 2 | |
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| 3 | #ifndef UNITTEST_USE_CUSTOM_STREAMS |
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| 4 | |
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| 5 | |
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| 6 | namespace UnitTest { |
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| 7 | |
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| 8 | char const* MemoryOutStream::GetText() const |
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| 9 | { |
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| 10 | m_text = this->str(); |
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| 11 | return m_text.c_str(); |
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| 12 | } |
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| 13 | |
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| 14 | |
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| 15 | } |
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| 16 | |
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| 17 | |
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| 18 | #else |
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| 19 | |
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| 20 | |
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| 21 | #include <cstring> |
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| 22 | #include <cstdio> |
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| 23 | |
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| 24 | namespace UnitTest { |
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| 25 | |
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| 26 | namespace { |
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| 27 | |
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| 28 | template<typename ValueType> |
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| 29 | void FormatToStream(MemoryOutStream& stream, char const* format, ValueType const& value) |
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| 30 | { |
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| 31 | using namespace std; |
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| 32 | |
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| 33 | char txt[32]; |
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| 34 | sprintf(txt, format, value); |
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| 35 | stream << txt; |
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| 36 | } |
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| 37 | |
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| 38 | int RoundUpToMultipleOfPow2Number (int n, int pow2Number) |
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| 39 | { |
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| 40 | return (n + (pow2Number - 1)) & ~(pow2Number - 1); |
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| 41 | } |
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| 42 | |
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| 43 | } |
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| 44 | |
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| 45 | |
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| 46 | MemoryOutStream::MemoryOutStream(int const size) |
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| 47 | : m_capacity (0) |
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| 48 | , m_buffer (0) |
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| 49 | |
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| 50 | { |
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| 51 | GrowBuffer(size); |
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| 52 | } |
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| 53 | |
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| 54 | MemoryOutStream::~MemoryOutStream() |
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| 55 | { |
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| 56 | delete [] m_buffer; |
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| 57 | } |
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| 58 | |
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| 59 | char const* MemoryOutStream::GetText() const |
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| 60 | { |
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| 61 | return m_buffer; |
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| 62 | } |
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| 63 | |
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| 64 | MemoryOutStream& MemoryOutStream::operator << (char const* txt) |
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| 65 | { |
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| 66 | using namespace std; |
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| 67 | |
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| 68 | int const bytesLeft = m_capacity - (int)strlen(m_buffer); |
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| 69 | int const bytesRequired = (int)strlen(txt) + 1; |
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| 70 | |
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| 71 | if (bytesRequired > bytesLeft) |
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| 72 | { |
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| 73 | int const requiredCapacity = bytesRequired + m_capacity - bytesLeft; |
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| 74 | GrowBuffer(requiredCapacity); |
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| 75 | } |
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| 76 | |
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| 77 | strcat(m_buffer, txt); |
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| 78 | return *this; |
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| 79 | } |
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| 80 | |
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| 81 | MemoryOutStream& MemoryOutStream::operator << (int const n) |
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| 82 | { |
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| 83 | FormatToStream(*this, "%i", n); |
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| 84 | return *this; |
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| 85 | } |
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| 86 | |
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| 87 | MemoryOutStream& MemoryOutStream::operator << (long const n) |
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| 88 | { |
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| 89 | FormatToStream(*this, "%li", n); |
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| 90 | return *this; |
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| 91 | } |
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| 92 | |
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| 93 | MemoryOutStream& MemoryOutStream::operator << (unsigned long const n) |
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| 94 | { |
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| 95 | FormatToStream(*this, "%lu", n); |
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| 96 | return *this; |
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| 97 | } |
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| 98 | |
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| 99 | MemoryOutStream& MemoryOutStream::operator << (float const f) |
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| 100 | { |
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| 101 | FormatToStream(*this, "%ff", f); |
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| 102 | return *this; |
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| 103 | } |
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| 104 | |
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| 105 | MemoryOutStream& MemoryOutStream::operator << (void const* p) |
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| 106 | { |
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| 107 | FormatToStream(*this, "%p", p); |
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| 108 | return *this; |
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| 109 | } |
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| 110 | |
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| 111 | MemoryOutStream& MemoryOutStream::operator << (unsigned int const s) |
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| 112 | { |
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| 113 | FormatToStream(*this, "%u", s); |
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| 114 | return *this; |
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| 115 | } |
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| 116 | |
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| 117 | MemoryOutStream& MemoryOutStream::operator <<(double const d) |
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| 118 | { |
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| 119 | FormatToStream(*this, "%f", d); |
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| 120 | return *this; |
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| 121 | } |
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| 122 | |
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| 123 | int MemoryOutStream::GetCapacity() const |
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| 124 | { |
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| 125 | return m_capacity; |
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| 126 | } |
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| 127 | |
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| 128 | |
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| 129 | void MemoryOutStream::GrowBuffer(int const desiredCapacity) |
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| 130 | { |
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| 131 | int const newCapacity = RoundUpToMultipleOfPow2Number(desiredCapacity, GROW_CHUNK_SIZE); |
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| 132 | |
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| 133 | using namespace std; |
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| 134 | |
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| 135 | char* buffer = new char[newCapacity]; |
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| 136 | if (m_buffer) |
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| 137 | strcpy(buffer, m_buffer); |
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| 138 | else |
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| 139 | strcpy(buffer, ""); |
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| 140 | |
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| 141 | delete [] m_buffer; |
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| 142 | m_buffer = buffer; |
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| 143 | m_capacity = newCapacity; |
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| 144 | } |
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| 145 | |
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| 146 | } |
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| 147 | |
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| 148 | |
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| 149 | #endif |
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