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Public Member Functions | Public Attributes | List of all members
c4::yml::LineContents Struct Reference

Helper to control the line contents while parsing a buffer. More...

#include <parser_state.hpp>

Public Member Functions

 LineContents () RYML_NOEXCEPT=default
 
void reset_with_next_line (substr buf, size_t start) RYML_NOEXCEPT
 
size_t current_col () const RYML_NOEXCEPT
 
size_t current_col (csubstr s) const RYML_NOEXCEPT
 

Public Attributes

substr rem
 current line remainder, without newline characters More...
 
substr full
 full line, including newline characters \n and \r More...
 
size_t num_cols
 number of columns in the line, excluding newline characters (ie the initial size of rem) More...
 
size_t indentation
 number of spaces on the beginning of the line. More...
 

Detailed Description

Helper to control the line contents while parsing a buffer.

Definition at line 56 of file parser_state.hpp.

Constructor & Destructor Documentation

◆ LineContents()

c4::yml::LineContents::LineContents ( )
default

Member Function Documentation

◆ reset_with_next_line()

void c4::yml::LineContents::reset_with_next_line ( substr  buf,
size_t  start 
)
inline

Definition at line 66 of file parser_state.hpp.

67  {
68  _RYML_ASSERT_BASIC(start <= buf.len);
69  size_t end = start;
70  // get the current line stripped of newline chars
71  while((end < buf.len) && (buf.str[end] != '\n'))
72  ++end;
73  if(end < buf.len)
74  {
75  _RYML_ASSERT_BASIC(buf[end] == '\n');
76  full = buf.range(start, end + 1);
77  rem = buf.range(start, end);
78  }
79  else
80  {
81  // buffer ends without newline
82  full = rem = buf.sub(start);
83  }
84  size_t pos = rem.last_not_of('\r');
85  rem.len = (pos != npos) ? pos + 1 : 0;
86  num_cols = rem.len;
87  _RYML_ASSERT_BASIC(rem.find('\r') == npos);
88  // TODO move this to the parser state
89  indentation = rem.first_not_of(' '); // find the first column where the character is not a space
90  }
c4::yml::npos
@ npos
a null string position
Definition: common.hpp:258
c4::yml::LineContents::rem
substr rem
current line remainder, without newline characters
Definition: parser_state.hpp:58
c4::yml::LineContents::full
substr full
full line, including newline characters \n and \r
Definition: parser_state.hpp:59
c4::yml::LineContents::num_cols
size_t num_cols
number of columns in the line, excluding newline characters (ie the initial size of rem)
Definition: parser_state.hpp:60
c4::yml::LineContents::indentation
size_t indentation
number of spaces on the beginning of the line.
Definition: parser_state.hpp:62

◆ current_col() [1/2]

size_t c4::yml::LineContents::current_col ( ) const
inline

Definition at line 92 of file parser_state.hpp.

93  {
94  _RYML_ASSERT_BASIC(rem.str >= full.str);
95  return static_cast<size_t>(rem.str - full.str);
96  }

◆ current_col() [2/2]

size_t c4::yml::LineContents::current_col ( csubstr  s) const
inline

Definition at line 98 of file parser_state.hpp.

99  {
100  _RYML_ASSERT_BASIC(s.str >= full.str);
101  _RYML_ASSERT_BASIC(s.str <= rem.end());
102  return static_cast<size_t>(s.str - full.str);
103  }

Member Data Documentation

◆ rem

substr c4::yml::LineContents::rem

current line remainder, without newline characters

Definition at line 58 of file parser_state.hpp.

◆ full

substr c4::yml::LineContents::full

full line, including newline characters \n and \r

Definition at line 59 of file parser_state.hpp.

◆ num_cols

size_t c4::yml::LineContents::num_cols

number of columns in the line, excluding newline characters (ie the initial size of rem)

Definition at line 60 of file parser_state.hpp.

◆ indentation

size_t c4::yml::LineContents::indentation

number of spaces on the beginning of the line.

Definition at line 62 of file parser_state.hpp.

The documentation for this struct was generated from the following file: