Esempio n. 1
0
const cst_string *ts_get(cst_tokenstream *ts)
{
    /* Get next token */

    /* Skip whitespace */
    get_token_sub_part(ts,
		       TS_CHARCLASS_WHITESPACE,
		       &ts->whitespace,
		       &ts->ws_max);

    /* quoted strings currently ignored */
    ts->token_pos = ts->file_pos - 1;
	
    /* Get prepunctuation */
    if (ts->current_char != TS_EOF &&
        ts_charclass(ts->current_char,TS_CHARCLASS_PREPUNCT,ts))
	get_token_sub_part(ts,
			   TS_CHARCLASS_PREPUNCT,
			   &ts->prepunctuation,
			   &ts->prep_max);
    else if (ts->prepunctuation)
	ts->prepunctuation[0] = '\0';
    /* Get the symbol itself */
    if (ts->current_char != TS_EOF &&
        ts_charclass(ts->current_char,TS_CHARCLASS_SINGLECHAR,ts))
    {
	if (2 >= ts->token_max) extend_buffer(&ts->token,&ts->token_max);
	ts->token[0] = ts->current_char;
	ts->token[1] = '\0';
	ts_getc(ts);
    }
    else
	get_token_sub_part_2(ts,
			     TS_CHARCLASS_WHITESPACE,       /* end class1 */
			     &ts->token,
			     &ts->token_max);
    /* This'll have token *plus* post punctuation in ts->token */
    /* Get postpunctuation */
    if (ts->p_postpunctuationsymbols[0])
        get_token_postpunctuation(ts);

    return ts->token;
}
Esempio n. 2
0
const cst_string *ts_get_quoted_token(cst_tokenstream *ts,
					 char quote,
					 char escape)
{
    /* for reading the next quoted token that starts with quote and
       ends with quote, quote may appear only if preceded by escape */
    int l, p;

    /* Hmm can't change quotes within a ts */
    ts->charclass[(unsigned int)quote] |= TS_CHARCLASS_QUOTE;
    ts->charclass[(unsigned int)escape] |= TS_CHARCLASS_QUOTE;

    /* skipping whitespace */
    get_token_sub_part(ts,TS_CHARCLASS_WHITESPACE,
		       &ts->whitespace,
		       &ts->ws_max);
    ts->token_pos = ts->file_pos - 1;
#import "OpenEarsStaticAnalysisToggle.h"
#ifdef STATICANALYZEDEPENDENCIES
#define __clang_analyzer__ 1
#endif
#if !defined(__clang_analyzer__) || defined(STATICANALYZEDEPENDENCIES)
#undef __clang_analyzer__
    if (ts->current_char == quote)
    {   /* go until quote */
	ts_getc(ts);
	l=0;
        for (p=0; ((ts->current_char != TS_EOF) &&
                   (ts->current_char != quote));
             p++)
        {
            if (p >= ts->token_max) 
                extend_buffer(&ts->token,&ts->token_max);
            ts->token[p] = ts->current_char;
            ts_getc(ts);
            if (ts->current_char == escape)
            {
                ts_get(ts);
                if (p >= ts->token_max) 
                    extend_buffer(&ts->token,&ts->token_max);
                ts->token[p] = ts->current_char;
                ts_get(ts);
            }
        }
        ts->token[p] = '\0';
	ts_getc(ts);
    }
#endif    
    else /* its not quotes, like to be careful dont you */
    {    /* treat is as standard token                  */
	/* Get prepunctuation */
	get_token_sub_part(ts,TS_CHARCLASS_PREPUNCT,
			   &ts->prepunctuation,
			   &ts->prep_max);
	/* Get the symbol itself */
	if (!ts_charclass(ts->current_char,TS_CHARCLASS_SINGLECHAR,ts))
	{
	    if (2 >= ts->token_max) extend_buffer(&ts->token,&ts->token_max);
	    ts->token[0] = ts->current_char;
	    ts->token[1] = '\0';
	    ts_getc(ts);
	}
	else
	    get_token_sub_part_2(ts,
				 TS_CHARCLASS_WHITESPACE,    /* end class1 */
				 &ts->token,
				 &ts->token_max);
	/* This'll have token *plus* post punctuation in ts->token */
	/* Get postpunctuation */
	get_token_postpunctuation(ts);
    }

    return ts->token;
}
Esempio n. 3
0
const unsigned char *ts_get_quoted_token(cst_tokenstream *ts,
					 char quote,
					 char escape)
{
    /* for reading the next quoted token that starts with quote and
       ends with quote, quote may appear only if preceded by escape */
    int l;

    /* Hmm can't change quotes within a ts */
    ts->charclass[(unsigned int)quote] |= TS_CHARCLASS_QUOTE;
    ts->charclass[(unsigned int)escape] |= TS_CHARCLASS_QUOTE;

    /* skipping whitespace */
    get_token_sub_part(ts,TS_CHARCLASS_WHITESPACE,
		       &ts->whitespace,
		       &ts->ws_max);
    ts->token_pos = ts->file_pos - 1;

    if (ts->current_char == quote)
    {   /* go until quote */
	ts_getc(ts);
	l=0;
	while (!ts_eof(ts))
	{
	    get_token_sub_part_2(ts,TS_CHARCLASS_QUOTE,
				 &ts->token,&ts->token_max);
	    if (ts->current_char == escape)
	    {
		ts_getc(ts);
		l = cst_strlen(ts->token);
		if (l+1 >= ts->token_max) 
		    extend_buffer(&ts->token,&ts->token_max);
		ts->token[l] = ts->current_char;
		ts->token[l+1] = '\0';
		ts_getc(ts);
	    }
	    else
		break;
	}
	ts_getc(ts);
    }
    else /* its not quotes, like to be careful dont you */
    {    /* treat is as standard token                  */
	/* Get prepunctuation */
	get_token_sub_part(ts,TS_CHARCLASS_PREPUNCT,
			   &ts->prepunctuation,
			   &ts->prep_max);
	/* Get the symbol itself */
	if (!ts_charclass(ts->current_char,TS_CHARCLASS_SINGLECHAR,ts))
	{
	    if (2 >= ts->token_max) extend_buffer(&ts->token,&ts->token_max);
	    ts->token[0] = ts->current_char;
	    ts->token[1] = '\0';
	    ts_getc(ts);
	}
	else
	    get_token_sub_part_2(ts,
				 TS_CHARCLASS_WHITESPACE,    /* end class1 */
				 &ts->token,
				 &ts->token_max);
	/* This'll have token *plus* post punctuation in ts->token */
	/* Get postpunctuation */
	get_token_postpunctuation(ts);
    }

    return ts->token;
}