65 lines
1.2 KiB
Ragel
65 lines
1.2 KiB
Ragel
#include <stdio.h>
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#include "bstrlib/bstrlib.h"
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bstring grab_chunk(char *start, char *end) {
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blk2bstr(start, end-start);
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}
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%%{
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machine shortcode;
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action mark {
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mark = p;
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}
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spc = space*;
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sep = space+;
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name = alpha+
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> mark
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% {printf("name: '%s'\n", grab_chunk(mark, p)->data);};
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argname = alpha+
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> mark
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% {printf("argname: '%s'\n", grab_chunk(mark, p)->data);};
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value = (('"' [^"]* '"') | alnum+)
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> mark
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% {printf("value: '%s'\n", grab_chunk(mark, p)->data);};
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arg = (argname '=' value)
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> mark
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% {printf("arg: '%s'\n", grab_chunk(mark, p)->data);};
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start = '{{';
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end = '}}';
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main := (start spc name (sep (arg | value))* spc end);
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}%%
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bstring parse(char *_input) {
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%%write data;
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char *eof, *ts, *te = 0;
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int cs, act = 0;
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bstring output = bfromcstr("out");
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bstring input = bfromcstr(_input);
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char *p = input->data;
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char *pe = p + blength(input);
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char *mark = 0;
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bstring label;
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%% write init;
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%% write exec;
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printf("\nLabel is: '%s'\n", label->data);
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return output;
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}
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int main(int argc, char **argv) {
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bstring output = parse("{{ thename \"onearg\" another arg=\"val3\" }}");
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printf("\n%s\n", output->data);
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return 0;
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}
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