80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
#ifndef CODERS_BYTE_UTILS_H_
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#define CODERS_BYTE_UTILS_H_
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#include <string>
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#include <vector>
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#include "../typedefs.h"
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/* byteorder: little-endian */
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class ByteBuilder {
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std::vector<ubyte> buffer;
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public:
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/* Write one byte (8 bit unsigned integer) */
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void put(ubyte b);
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/* Write c-string (bytes array terminated with '\00') */
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void putCStr(const char* str);
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/* Write signed 16 bit integer */
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void putInt16(int16_t val);
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/* Write signed 32 bit integer */
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void putInt32(int32_t val);
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/* Write signed 64 bit integer */
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void putInt64(int64_t val);
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/* Write 32 bit floating-point number */
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void putFloat32(float val);
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/* Write 64 bit floating-point number */
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void putFloat64(double val);
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/* Write string (uint32 length + bytes) */
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void put(const std::string& s);
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/* Write sequence of bytes without any header */
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void put(const ubyte* arr, size_t size);
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void set(size_t position, ubyte val);
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void setInt16(size_t position, int16_t val);
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void setInt32(size_t position, int32_t val);
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void setInt64(size_t position, int64_t val);
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inline size_t size() const {
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return buffer.size();
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}
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inline const ubyte* data() const {
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return buffer.data();
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}
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std::vector<ubyte> build();
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};
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/* byteorder: little-endian */
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class ByteReader {
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const ubyte* data;
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size_t size;
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size_t pos;
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public:
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ByteReader(const ubyte* data, size_t size);
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ByteReader(const ubyte* data);
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void checkMagic(const char* data, size_t size);
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/* Read one byte (unsigned 8 bit integer) */
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ubyte get();
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/* Read one byte (unsigned 8 bit integer) without pointer move */
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ubyte peek();
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/* Read signed 16 bit integer */
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int16_t getInt16();
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/* Read signed 32 bit integer */
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int32_t getInt32();
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/* Read signed 64 bit integer */
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int64_t getInt64();
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/* Read 32 bit floating-point number */
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float getFloat32();
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/* Read 64 bit floating-point number */
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double getFloat64();
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const char* getCString();
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std::string getString();
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bool hasNext() const;
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const ubyte* pointer() const;
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void skip(size_t n);
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};
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#endif // CODERS_BYTE_UTILS_H_
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