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-rw-r--r--source/core/text-io.h316
1 files changed, 0 insertions, 316 deletions
diff --git a/source/core/text-io.h b/source/core/text-io.h
deleted file mode 100644
index 949150777..000000000
--- a/source/core/text-io.h
+++ /dev/null
@@ -1,316 +0,0 @@
-#ifndef CORE_LIB_TEXT_IO_H
-#define CORE_LIB_TEXT_IO_H
-
-#include "secure-crt.h"
-#include "stream.h"
-
-namespace Slang
-{
- using Slang::List;
- using Slang::_EndLine;
-
- class TextReader
- {
- protected:
- char decodedChar[5];
- int decodedCharPtr = 0, decodedCharSize = 0;
- virtual void ReadChar() = 0;
- public:
- virtual ~TextReader()
- {
- Close();
- }
- virtual void Close(){}
- virtual String ReadLine()=0;
- virtual String ReadToEnd()=0;
- virtual bool IsEnd() = 0;
- int Read(char * buffer, int count);
- char Read()
- {
- if (decodedCharPtr == decodedCharSize)
- ReadChar();
- if (decodedCharPtr < decodedCharSize)
- return decodedChar[decodedCharPtr++];
- else
- return 0;
- }
- char Peak()
- {
- if (decodedCharPtr == decodedCharSize)
- ReadChar();
- if (decodedCharPtr < decodedCharSize)
- return decodedChar[decodedCharPtr];
- else
- return 0;
- }
- };
-
- class TextWriter
- {
- public:
- virtual ~TextWriter()
- {
- Close();
- }
- virtual void Write(const String & str)=0;
- virtual void Write(const char * str)=0;
- virtual void Close(){}
- template<typename T>
- TextWriter & operator << (const T& val)
- {
- Write(val.ToString());
- return *this;
- }
- TextWriter & operator << (int value)
- {
- Write(String(value));
- return *this;
- }
- TextWriter & operator << (float value)
- {
- Write(String(value));
- return *this;
- }
- TextWriter & operator << (double value)
- {
- Write(String(value));
- return *this;
- }
- TextWriter & operator << (const char* value)
- {
- Write(value);
- return *this;
- }
- TextWriter & operator << (const String & val)
- {
- Write(val);
- return *this;
- }
- TextWriter & operator << (const _EndLine &)
- {
-#ifdef _WIN32
- Write("\r\n");
-#else
- Write("\n");
-#endif
- return *this;
- }
- };
-
- template <typename ReadCharFunc>
- int GetUnicodePointFromUTF8(const ReadCharFunc & get)
- {
- int codePoint = 0;
- int leading = get(0);
- int mask = 0x80;
- int count = 0;
- while (leading & mask)
- {
- count++;
- mask >>= 1;
- }
- codePoint = (leading & (mask - 1));
- for (int i = 1; i <= count - 1; i++)
- {
- codePoint <<= 6;
- codePoint += (get(i) & 0x3F);
- }
- return codePoint;
- }
-
- template <typename ReadCharFunc>
- int GetUnicodePointFromUTF16(const ReadCharFunc & get)
- {
- int byte0 = (unsigned char)get(0);
- int byte1 = (unsigned char)get(1);
- int word0 = byte0 + (byte1 << 8);
- if (word0 >= 0xD800 && word0 <= 0xDFFF)
- {
- int byte2 = (unsigned char)get(2);
- int byte3 = (unsigned char)get(3);
- int word1 = byte2 + (byte3 << 8);
- return ((word0 & 0x3FF) << 10) + (word1 & 0x3FF) + 0x10000;
- }
- else
- return word0;
- }
-
- template <typename ReadCharFunc>
- int GetUnicodePointFromUTF16Reversed(const ReadCharFunc & get)
- {
- int byte0 = (unsigned char)get(0);
- int byte1 = (unsigned char)get(1);
- int word0 = (byte0 << 8) + byte1;
- if (word0 >= 0xD800 && word0 <= 0xDFFF)
- {
- int byte2 = (unsigned char)get(2);
- int byte3 = (unsigned char)get(3);
- int word1 = (byte2 << 8) + byte3;
- return ((word0 & 0x3FF) << 10) + (word1 & 0x3FF);
- }
- else
- return word0;
- }
-
- template <typename ReadCharFunc>
- int GetUnicodePointFromUTF32(const ReadCharFunc & get)
- {
- int byte0 = (unsigned char)get(0);
- int byte1 = (unsigned char)get(1);
- int byte2 = (unsigned char)get(2);
- int byte3 = (unsigned char)get(3);
- return byte0 + (byte1 << 8) + (byte2 << 16) + (byte3 << 24);
- }
-
- inline int EncodeUnicodePointToUTF8(char * buffer, int codePoint)
- {
- int count = 0;
- if (codePoint <= 0x7F)
- buffer[count++] = ((char)codePoint);
- else if (codePoint <= 0x7FF)
- {
- unsigned char byte = (unsigned char)(0xC0 + (codePoint >> 6));
- buffer[count++] = ((char)byte);
- byte = 0x80 + (codePoint & 0x3F);
- buffer[count++] = ((char)byte);
- }
- else if (codePoint <= 0xFFFF)
- {
- unsigned char byte = (unsigned char)(0xE0 + (codePoint >> 12));
- buffer[count++] = ((char)byte);
- byte = (unsigned char)(0x80 + ((codePoint >> 6) & (0x3F)));
- buffer[count++] = ((char)byte);
- byte = (unsigned char)(0x80 + (codePoint & 0x3F));
- buffer[count++] = ((char)byte);
- }
- else
- {
- unsigned char byte = (unsigned char)(0xF0 + (codePoint >> 18));
- buffer[count++] = ((char)byte);
- byte = (unsigned char)(0x80 + ((codePoint >> 12) & 0x3F));
- buffer[count++] = ((char)byte);
- byte = (unsigned char)(0x80 + ((codePoint >> 6) & 0x3F));
- buffer[count++] = ((char)byte);
- byte = (unsigned char)(0x80 + (codePoint & 0x3F));
- buffer[count++] = ((char)byte);
- }
- return count;
- }
-
- inline int EncodeUnicodePointToUTF16(unsigned short * buffer, int codePoint)
- {
- int count = 0;
- if (codePoint <= 0xD7FF || (codePoint >= 0xE000 && codePoint <= 0xFFFF))
- buffer[count++] = (unsigned short)codePoint;
- else
- {
- int sub = codePoint - 0x10000;
- int high = (sub >> 10) + 0xD800;
- int low = (sub & 0x3FF) + 0xDC00;
- buffer[count++] = (unsigned short)high;
- buffer[count++] = (unsigned short)low;
- }
- return count;
- }
-
- inline unsigned short ReverseBitOrder(unsigned short val)
- {
- int byte0 = val & 0xFF;
- int byte1 = val >> 8;
- return (unsigned short)(byte1 + (byte0 << 8));
- }
-
- inline int EncodeUnicodePointToUTF16Reversed(unsigned short * buffer, int codePoint)
- {
- int count = 0;
- if (codePoint <= 0xD7FF || (codePoint >= 0xE000 && codePoint <= 0xFFFF))
- buffer[count++] = ReverseBitOrder((unsigned short)codePoint);
- else
- {
- int sub = codePoint - 0x10000;
- int high = (sub >> 10) + 0xD800;
- int low = (sub & 0x3FF) + 0xDC00;
- buffer[count++] = ReverseBitOrder((unsigned short)high);
- buffer[count++] = ReverseBitOrder((unsigned short)low);
- }
- return count;
- }
-
- class Encoding
- {
- public:
- static Encoding * UTF8, * UTF16, *UTF16Reversed, * UTF32;
- virtual void GetBytes(List<char>& buffer, const String & str) = 0;
- virtual String ToString(const char * buffer, int length) = 0;
- virtual ~Encoding()
- {}
- };
-
- class StreamWriter : public TextWriter
- {
- private:
- List<char> encodingBuffer;
- RefPtr<Stream> stream;
- Encoding * encoding;
- public:
- StreamWriter(const String & path, Encoding * encoding = Encoding::UTF8);
- StreamWriter(RefPtr<Stream> stream, Encoding * encoding = Encoding::UTF8);
- virtual void Write(const String & str);
- virtual void Write(const char * str);
- virtual void Close()
- {
- stream->Close();
- }
- void ReleaseStream()
- {
- stream = 0;
- }
- };
-
- class StreamReader : public TextReader
- {
- private:
- RefPtr<Stream> stream;
- List<char> buffer;
- Encoding * encoding;
- Index ptr;
- char ReadBufferChar();
- void ReadBuffer();
-
- Encoding * DetermineEncoding();
- protected:
- virtual void ReadChar()
- {
- decodedCharPtr = 0;
- int codePoint = 0;
- if (encoding == Encoding::UTF8)
- codePoint = GetUnicodePointFromUTF8([&](int) {return ReadBufferChar(); });
- else if (encoding == Encoding::UTF16)
- codePoint = GetUnicodePointFromUTF16([&](int) {return ReadBufferChar(); });
- else if (encoding == Encoding::UTF16Reversed)
- codePoint = GetUnicodePointFromUTF16Reversed([&](int) {return ReadBufferChar(); });
- else if (encoding == Encoding::UTF32)
- codePoint = GetUnicodePointFromUTF32([&](int) {return ReadBufferChar(); });
- decodedCharSize = EncodeUnicodePointToUTF8(decodedChar, codePoint);
- }
- public:
- StreamReader(const String & path);
- StreamReader(RefPtr<Stream> stream, Encoding * encoding = nullptr);
- virtual String ReadLine();
- virtual String ReadToEnd();
- virtual bool IsEnd()
- {
- return ptr == buffer.getCount() && stream->IsEnd();
- }
- virtual void Close()
- {
- stream->Close();
- }
- void ReleaseStream()
- {
- stream = 0;
- }
- };
-}
-
-#endif
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