emitter.hpp
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#ifndef SASS_EMITTER_H
#define SASS_EMITTER_H
#include <string>
#include "sass.hpp"
#include "sass/base.h"
#include "source_map.hpp"
#include "ast_fwd_decl.hpp"
namespace Sass {
class Context;
class Emitter {
public:
Emitter(struct Sass_Output_Options& opt);
virtual ~Emitter() { }
protected:
OutputBuffer wbuf;
public:
const std::string& buffer(void) { return wbuf.buffer; }
const SourceMap smap(void) { return wbuf.smap; }
const OutputBuffer output(void) { return wbuf; }
// proxy methods for source maps
void add_source_index(size_t idx);
void set_filename(const std::string& str);
void add_open_mapping(const AST_Node_Ptr node);
void add_close_mapping(const AST_Node_Ptr node);
void schedule_mapping(const AST_Node_Ptr node);
std::string render_srcmap(Context &ctx);
ParserState remap(const ParserState& pstate);
public:
struct Sass_Output_Options& opt;
size_t indentation;
size_t scheduled_space;
size_t scheduled_linefeed;
bool scheduled_delimiter;
AST_Node_Ptr scheduled_crutch;
AST_Node_Ptr scheduled_mapping;
public:
// output strings different in custom css properties
bool in_custom_property;
// output strings different in comments
bool in_comment;
// selector list does not get linefeeds
bool in_wrapped;
// lists always get a space after delimiter
bool in_media_block;
// nested list must not have parentheses
bool in_declaration;
// nested lists need parentheses
bool in_space_array;
bool in_comma_array;
public:
// return buffer as std::string
std::string get_buffer(void);
// flush scheduled space/linefeed
Sass_Output_Style output_style(void) const;
// add outstanding linefeed
void finalize(bool final = true);
// flush scheduled space/linefeed
void flush_schedules(void);
// prepend some text or token to the buffer
void prepend_string(const std::string& text);
void prepend_output(const OutputBuffer& out);
// append some text or token to the buffer
void append_string(const std::string& text);
// append a single character to buffer
void append_char(const char chr);
// append some white-space only text
void append_wspace(const std::string& text);
// append some text or token to the buffer
// this adds source-mappings for node start and end
void append_token(const std::string& text, const AST_Node_Ptr node);
// query last appended character
char last_char();
public: // syntax sugar
void append_indentation();
void append_optional_space(void);
void append_mandatory_space(void);
void append_special_linefeed(void);
void append_optional_linefeed(void);
void append_mandatory_linefeed(void);
void append_scope_opener(AST_Node_Ptr node = 0);
void append_scope_closer(AST_Node_Ptr node = 0);
void append_comma_separator(void);
void append_colon_separator(void);
void append_delimiter(void);
};
}
#endif