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line_buffer.cpp

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1 /**********************************************************************

2 ** line_buffer.cpp ****************************************************

3 ***********************************************************************

4 *

5 * line_buffer - line buffer for use with read(2)

6 *

8 *

9 * */

16 #include <errno.h>

17 #include <string.h>

19 #include "line_buffer.h"

22 bool LineBuffer::has_lines()

23 {

24 return buff.find('\n') != std::string::npos;

25 }

28 void LineBuffer::append(const char* input, size_t size)

29 {

30 buff.append(input, size);

31 }

34 const char* LineBuffer::c_str()

35 {

36 return buff.c_str();

37 }

40 std::string LineBuffer::get_next_line()

41 {

42 size_t nl = buff.find('\n');

43 if (nl == std::string::npos)

44 return "";

45 std::string line(buff.substr(0, nl + 1));

46 buff.erase(0, nl + 1);

48 /* remove DOS line endings */

49 size_t pos = line.rfind("\r");

50 if (pos == line.size() - 1)

51 line.erase(pos, 1);

52 return line;

53 }

56 LineBuffer::LineBuffer()

57 {

58 buff = "";

59 }

LineBuffer::get_next_line

std::string get_next_line()

Return and remove first line in buffer, possibly "".

Definition: line_buffer.cpp:40

LineBuffer::c_str

const char * c_str()

Peek the complete buffer contents.

Definition: line_buffer.cpp:34

LineBuffer::append

void append(const char *line, size_t size)

Insert data in buffer.

Definition: line_buffer.cpp:28

line_buffer.h

Implements the line buffer class.

LineBuffer::has_lines

bool has_lines()

Check if get_next_line() returns a non-empty string.

Definition: line_buffer.cpp:22

lib
line_buffer.cpp
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