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https://github.com/NoelFB/blah.git
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88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
#pragma once
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#include <blah/common.h>
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#include <blah/containers/str.h>
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#include <blah/numerics/calc.h>
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#include <string.h>
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namespace Blah
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{
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class Stream
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{
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public:
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Stream() = default;
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Stream(const Stream&) = delete;
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Stream& operator=(const Stream&) = delete;
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virtual ~Stream() = default;
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// returns the length of the stream
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virtual size_t length() const = 0;
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// returns the position of the stream
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virtual size_t position() const = 0;
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// seeks the position of the stream
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virtual size_t seek(size_t position) = 0;
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// returns true of the stream is open
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virtual bool is_open() const = 0;
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// returns true of the stream is readable
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virtual bool is_readable() const = 0;
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// returns true of the stream is writable
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virtual bool is_writable() const = 0;
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// closes the stream
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virtual void close() = 0;
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// pipes the contents of this stream to another stream
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size_t pipe(Stream& to, size_t length);
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// reads the amount of bytes into the given buffer, and returns the amount read
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size_t read(void* buffer, size_t length);
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// reads a string. if length < 0, assumes null-terminated
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String read_string(int length = -1);
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// reads a string until a newline '\n' or null-terminator '\0' is found
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String read_line();
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// reads a number
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u8 read_u8 (Endian endian = Endian::Little);
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u16 read_u16(Endian endian = Endian::Little);
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u32 read_u32(Endian endian = Endian::Little);
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u64 read_u64(Endian endian = Endian::Little);
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i8 read_i8 (Endian endian = Endian::Little);
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i16 read_i16(Endian endian = Endian::Little);
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i32 read_i32(Endian endian = Endian::Little);
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i64 read_i64(Endian endian = Endian::Little);
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f32 read_f32(Endian endian = Endian::Little);
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f64 read_f64(Endian endian = Endian::Little);
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// writes the amount of bytes to the stream from the given buffer, and returns the amount written
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size_t write(const void* buffer, size_t length);
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// writes the contents of a string to the stream
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size_t write(const String& string);
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// writes a number, returns number of bytes written
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size_t write_u8 (u8 value, Endian endian = Endian::Little);
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size_t write_u16(u16 value, Endian endian = Endian::Little);
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size_t write_u32(u32 value, Endian endian = Endian::Little);
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size_t write_u64(u64 value, Endian endian = Endian::Little);
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size_t write_i8 (i8 value, Endian endian = Endian::Little);
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size_t write_i16(i16 value, Endian endian = Endian::Little);
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size_t write_i32(i32 value, Endian endian = Endian::Little);
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size_t write_i64(i64 value, Endian endian = Endian::Little);
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size_t write_f32(f32 value, Endian endian = Endian::Little);
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size_t write_f64(f64 value, Endian endian = Endian::Little);
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protected:
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// reads the amount of bytes into the given buffer, and returns the amount read
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virtual size_t read_data(void* buffer, size_t length) = 0;
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// writes the amount of bytes to the stream from the given buffer, and returns the amount written
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virtual size_t write_data(const void* buffer, size_t length) = 0;
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};
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} |