#include <lexer.h>

Collaboration diagram for csspp::lexer:

Public Types
typedef std::shared_ptr< lexer >	pointer_t

Public Member Functions
	lexer (std::istream &in, position const &pos)

wide_char_t	mbtowc (char const *mb)

node::pointer_t	next_token ()

std::string	wctomb (wide_char_t const wc)

void	wctomb (wide_char_t const wc, char *mb, size_t max_length)

Static Public Member Functions
static int	hex_to_dec (wide_char_t c)

static bool constexpr	is_digit (wide_char_t c)

static bool constexpr	is_hash_character (wide_char_t c)

static bool constexpr	is_hex (wide_char_t c)

static bool constexpr	is_identifier (wide_char_t c)

static bool constexpr	is_non_printable (wide_char_t c)

static bool constexpr	is_space (wide_char_t c)

static bool constexpr	is_start_identifier (wide_char_t c)

static bool constexpr	is_variable (wide_char_t c)

Private Member Functions
node::pointer_t	comment (bool c_comment)

wide_char_t	escape ()

wide_char_t	getc ()

node::pointer_t	hash ()

node::pointer_t	identifier (wide_char_t c)

node::pointer_t	number (wide_char_t c)

std::string	string (wide_char_t const quote)

void	ungetc (wide_char_t c)

node::pointer_t	unicode_range (wide_char_t c)

node::pointer_t	variable (wide_char_t c)

Private Attributes
std::istream &	f_in

position	f_position

position	f_start_position

wide_char_t	f_ungetc [UNGETSIZ]

size_t	f_ungetc_pos = 0

Static Private Attributes
static size_t const	UNGETSIZ = 16

Detailed Description

Definition at line 26 of file lexer.h.

Member Typedef Documentation

◆ pointer_t

typedef std::shared_ptr<lexer> csspp::lexer::pointer_t

Definition at line 29 of file lexer.h.

Constructor & Destructor Documentation

◆ lexer()

csspp::lexer::lexer	(	std::istream &	in,
		position const &	pos
	)

Definition at line 52 of file lexer.cpp.

Member Function Documentation

◆ comment()

node::pointer_t csspp::lexer::comment ( bool c_comment )

private

Definition at line 1305 of file lexer.cpp.

References csspp::COMMENT, csspp::ERROR_ERROR, f_start_position, getc(), csspp::error::instance(), is_space(), ungetc(), and wctomb().

Referenced by next_token().

◆ escape()

wide_char_t csspp::lexer::escape ( )

private

Definition at line 764 of file lexer.cpp.

References csspp::ERROR_ERROR, f_start_position, getc(), hex_to_dec(), csspp::error::instance(), is_hex(), is_space(), and ungetc().

Referenced by hash(), identifier(), number(), and string().

◆ getc()

wide_char_t csspp::lexer::getc ( )

private

Definition at line 619 of file lexer.cpp.

References csspp::ERROR_ERROR, csspp::ERROR_HEX, f_in, f_position, f_start_position, f_ungetc, f_ungetc_pos, csspp::error::instance(), mbtowc(), csspp::position::next_line(), and csspp::position::next_page().

Referenced by comment(), escape(), hash(), identifier(), next_token(), number(), string(), unicode_range(), and variable().

◆ hash()

node::pointer_t csspp::lexer::hash ( )

private

Definition at line 1213 of file lexer.cpp.

References csspp::ERROR_ERROR, escape(), f_start_position, getc(), csspp::HASH, csspp::error::instance(), is_hash_character(), ungetc(), and wctomb().

Referenced by next_token().

◆ hex_to_dec()

int csspp::lexer::hex_to_dec ( wide_char_t c )

static

Definition at line 745 of file lexer.cpp.

Referenced by escape(), csspp::color::set_color(), and unicode_range().

◆ identifier()

node::pointer_t csspp::lexer::identifier ( wide_char_t c )

private

Definition at line 824 of file lexer.cpp.

References csspp::AT_KEYWORD, csspp::EOF_TOKEN, csspp::ERROR_ERROR, escape(), f_start_position, csspp::FUNCTION, getc(), csspp::IDENTIFIER, csspp::error::instance(), is_identifier(), is_non_printable(), is_space(), is_start_identifier(), csspp::PLACEHOLDER, string(), ungetc(), csspp::URL, and wctomb().

Referenced by next_token().

◆ is_digit()

static bool constexpr csspp::lexer::is_digit ( wide_char_t c )

inlinestaticconstexpr

Definition at line 87 of file lexer.h.

Referenced by number().

◆ is_hash_character()

static bool constexpr csspp::lexer::is_hash_character ( wide_char_t c )

inlinestaticconstexpr

Definition at line 99 of file lexer.h.

Referenced by hash().

◆ is_hex()

static bool constexpr csspp::lexer::is_hex ( wide_char_t c )

inlinestaticconstexpr

Definition at line 92 of file lexer.h.

Referenced by escape(), next_token(), csspp::color::set_color(), and unicode_range().

◆ is_identifier()

static bool constexpr csspp::lexer::is_identifier ( wide_char_t c )

inlinestaticconstexpr

Definition at line 67 of file lexer.h.

Referenced by csspp::assembler::escape_id(), identifier(), next_token(), and number().

◆ is_non_printable()

static bool constexpr csspp::lexer::is_non_printable ( wide_char_t c )

inlinestaticconstexpr

Definition at line 47 of file lexer.h.

Referenced by identifier(), and csspp::assembler::output_url().

◆ is_space()

static bool constexpr csspp::lexer::is_space ( wide_char_t c )

inlinestaticconstexpr

Definition at line 39 of file lexer.h.

Referenced by comment(), escape(), identifier(), and next_token().

◆ is_start_identifier()

static bool constexpr csspp::lexer::is_start_identifier ( wide_char_t c )

inlinestaticconstexpr

Definition at line 78 of file lexer.h.

Referenced by csspp::assembler::escape_id(), identifier(), and next_token().

◆ is_variable()

static bool constexpr csspp::lexer::is_variable ( wide_char_t c )

inlinestaticconstexpr

Definition at line 57 of file lexer.h.

Referenced by next_token(), and variable().

◆ mbtowc()

wide_char_t csspp::lexer::mbtowc ( char const * mb )

Definition at line 488 of file lexer.cpp.

References csspp::ERROR_ERROR, csspp::ERROR_HEX, f_start_position, and csspp::error::instance().

Referenced by csspp::assembler::escape_id(), and getc().

◆ next_token()

node::pointer_t csspp::lexer::next_token ( )

Definition at line 59 of file lexer.cpp.

References csspp::ADD, csspp::AND, csspp::ASSIGNMENT, csspp::CDC, csspp::CDO, csspp::CLOSE_CURLYBRACKET, csspp::CLOSE_PARENTHESIS, csspp::CLOSE_SQUAREBRACKET, csspp::COLON, csspp::COLUMN, csspp::COMMA, comment(), csspp::CONDITIONAL, csspp::DASH_MATCH, csspp::DIVIDE, csspp::DOLLAR, csspp::EOF_TOKEN, csspp::EQUAL, csspp::ERROR_ERROR, csspp::ERROR_HEX, csspp::ERROR_WARNING, csspp::EXCLAMATION, f_position, f_start_position, getc(), csspp::GREATER_EQUAL, csspp::GREATER_THAN, hash(), identifier(), csspp::INCLUDE_MATCH, csspp::error::instance(), is_hex(), is_identifier(), is_space(), is_start_identifier(), is_variable(), csspp::LESS_EQUAL, csspp::LESS_THAN, csspp::MODULO, csspp::MULTIPLY, csspp::NOT_EQUAL, number(), csspp::OPEN_CURLYBRACKET, csspp::OPEN_PARENTHESIS, csspp::OPEN_SQUAREBRACKET, csspp::PERIOD, csspp::POWER, csspp::PRECEDED, csspp::PREFIX_MATCH, csspp::REFERENCE, csspp::SCOPE, csspp::SEMICOLON, csspp::STRING, csspp::SUBSTRING_MATCH, csspp::SUBTRACT, csspp::SUFFIX_MATCH, ungetc(), unicode_range(), variable(), and csspp::WHITESPACE.

◆ number()

node::pointer_t csspp::lexer::number ( wide_char_t c )

private

Definition at line 1003 of file lexer.cpp.

References csspp::DECIMAL_NUMBER, csspp::ERROR_ERROR, escape(), f_start_position, getc(), csspp::error::instance(), csspp::INTEGER, is_digit(), is_identifier(), csspp::PERCENT, ungetc(), and wctomb().

Referenced by next_token().

◆ string()

std::string csspp::lexer::string ( wide_char_t const quote )

private

Definition at line 1246 of file lexer.cpp.

References csspp::ERROR_ERROR, escape(), f_start_position, getc(), csspp::error::instance(), ungetc(), and wctomb().

Referenced by identifier().

◆ ungetc()

void csspp::lexer::ungetc ( wide_char_t c )

private

Definition at line 717 of file lexer.cpp.

References f_ungetc, and f_ungetc_pos.

Referenced by comment(), escape(), hash(), identifier(), next_token(), number(), string(), unicode_range(), and variable().

◆ unicode_range()

node::pointer_t csspp::lexer::unicode_range ( wide_char_t c )

private

Definition at line 1424 of file lexer.cpp.

References csspp::ERROR_ERROR, f_start_position, csspp::unicode_range_t::get_range(), getc(), hex_to_dec(), csspp::error::instance(), is_hex(), ungetc(), and csspp::UNICODE_RANGE.

Referenced by next_token().

◆ variable()

node::pointer_t csspp::lexer::variable ( wide_char_t c )

private

Definition at line 1512 of file lexer.cpp.

References f_start_position, getc(), is_variable(), ungetc(), csspp::VARIABLE, csspp::VARIABLE_FUNCTION, and wctomb().

Referenced by next_token().

◆ wctomb() [1/2]

std::string csspp::lexer::wctomb ( wide_char_t const wc )

Definition at line 612 of file lexer.cpp.

References wctomb().

◆ wctomb() [2/2]

void csspp::lexer::wctomb	(	wide_char_t const	wc,
		char *	mb,
		size_t	max_length
	)

Definition at line 549 of file lexer.cpp.

References csspp::ERROR_ERROR, f_start_position, and csspp::error::instance().

Referenced by comment(), hash(), identifier(), number(), string(), variable(), and wctomb().

Member Data Documentation

◆ f_in

std::istream& csspp::lexer::f_in

private

Definition at line 126 of file lexer.h.

Referenced by getc().

◆ f_position

position csspp::lexer::f_position

private

Definition at line 127 of file lexer.h.

Referenced by getc(), and next_token().

◆ f_start_position

position csspp::lexer::f_start_position

private

Definition at line 128 of file lexer.h.

Referenced by comment(), escape(), getc(), hash(), identifier(), mbtowc(), next_token(), number(), string(), unicode_range(), variable(), and wctomb().

◆ f_ungetc

wide_char_t csspp::lexer::f_ungetc[UNGETSIZ]

private

Definition at line 129 of file lexer.h.

Referenced by getc(), and ungetc().

◆ f_ungetc_pos

size_t csspp::lexer::f_ungetc_pos = 0

private

Definition at line 130 of file lexer.h.

Referenced by getc(), and ungetc().

◆ UNGETSIZ

size_t const csspp::lexer::UNGETSIZ = 16

staticprivate

Definition at line 112 of file lexer.h.

The documentation for this class was generated from the following files:

csspp/lexer.h
csspp/lexer.cpp

Public Types

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

◆ pointer_t

Constructor & Destructor Documentation

◆ lexer()

Member Function Documentation

◆ comment()

◆ escape()

◆ getc()

◆ hash()

◆ hex_to_dec()

◆ identifier()

◆ is_digit()

◆ is_hash_character()

◆ is_hex()

◆ is_identifier()

◆ is_non_printable()

◆ is_space()

◆ is_start_identifier()

◆ is_variable()

◆ mbtowc()

◆ next_token()

◆ number()

◆ string()

◆ ungetc()

◆ unicode_range()

◆ variable()

◆ wctomb() [1/2]

◆ wctomb() [2/2]

Member Data Documentation

◆ f_in

◆ f_position

◆ f_start_position

◆ f_ungetc

◆ f_ungetc_pos

◆ UNGETSIZ