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/* $Header: /pjproject/pjlib/src/pj++/scanner.hpp 3 2/27/05 10:09p Bennylp $ */
#ifndef __PJPP_SCANNER_H__
#define __PJPP_SCANNER_H__
#include <pj/scanner.h>
#include <pj++/string.hpp>
class PJ_CharSpec
{
public:
PJ_CharSpec() { pj_cs_init(cs__); }
void set(int c) { pj_cs_set(cs__, c); }
void add_range(int begin, int end) { pj_cs_add_range(cs__, begin, end); }
void add_alpha() { pj_cs_add_alpha(cs__); }
void add_num() { pj_cs_add_num(cs__); }
void add_str(const char *str) { pj_cs_add_str(cs__, str); }
void del_range(int begin, int end) { pj_cs_del_range(cs__, begin, end); }
void del_str(const char *str) { pj_cs_del_str(cs__, str); }
void invert() { pj_cs_invert(cs__); }
int match(int c) { return pj_cs_match(cs__, c); }
pj_char_spec_element_t *cs_()
{
return cs__;
}
const pj_char_spec_element_t *cs_() const
{
return cs__;
}
private:
pj_char_spec cs__;
};
class PJ_Scanner
{
public:
PJ_Scanner() {}
enum
{
SYNTAX_ERROR = 101
};
static void syntax_error_handler_throw_pj(pj_scanner *);
typedef pj_scan_state State;
void init(char *buf, int len, unsigned options=PJ_SCAN_AUTOSKIP_WS,
pj_syn_err_func_ptr callback = &syntax_error_handler_throw_pj)
{
pj_scan_init(&scanner_, buf, len, options, callback);
}
void fini()
{
pj_scan_fini(&scanner_);
}
int eof() const
{
return pj_scan_is_eof(&scanner_);
}
int peek_char() const
{
return *scanner_.current;
}
int peek(const PJ_CharSpec *cs, PJ_String *out)
{
return pj_scan_peek(&scanner_, cs->cs_(), out);
}
int peek_n(pj_size_t len, PJ_String *out)
{
return pj_scan_peek_n(&scanner_, len, out);
}
int peek_until(const PJ_CharSpec *cs, PJ_String *out)
{
return pj_scan_peek_until(&scanner_, cs->cs_(), out);
}
void get(const PJ_CharSpec *cs, PJ_String *out)
{
pj_scan_get(&scanner_, cs->cs_(), out);
}
void get_n(unsigned N, PJ_String *out)
{
pj_scan_get_n(&scanner_, N, out);
}
int get_char()
{
return pj_scan_get_char(&scanner_);
}
void get_quote(int begin_quote, int end_quote, PJ_String *out)
{
pj_scan_get_quote(&scanner_, begin_quote, end_quote, out);
}
void get_newline()
{
pj_scan_get_newline(&scanner_);
}
void get_until(const PJ_CharSpec *cs, PJ_String *out)
{
pj_scan_get_until(&scanner_, cs->cs_(), out);
}
void get_until_ch(int until_ch, PJ_String *out)
{
pj_scan_get_until_ch(&scanner_, until_ch, out);
}
void get_until_chr(const char *spec, PJ_String *out)
{
pj_scan_get_until_chr(&scanner_, spec, out);
}
void advance_n(unsigned N, bool skip_ws=true)
{
pj_scan_advance_n(&scanner_, N, skip_ws);
}
int strcmp(const char *s, int len)
{
return pj_scan_strcmp(&scanner_, s, len);
}
int stricmp(const char *s, int len)
{
return pj_scan_stricmp(&scanner_, s, len);
}
void skip_ws()
{
pj_scan_skip_whitespace(&scanner_);
}
void save_state(State *state)
{
pj_scan_save_state(&scanner_, state);
}
void restore_state(State *state)
{
pj_scan_restore_state(&scanner_, state);
}
int get_pos_line() const
{
return scanner_.line;
}
int get_pos_col() const
{
return scanner_.col;
}
private:
pj_scanner scanner_;
};
#endif /* __PJPP_SCANNER_H__ */
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