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Initial implementation (everything broke)

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Roberto Alsina 2023-07-12 21:58:39 -03:00
parent b910e00a47
commit 5350dbd126
3 changed files with 91 additions and 63 deletions
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28
shortcodes.h
View File

@ -10,6 +10,14 @@ struct chunk
};
typedef struct chunk chunk;
// An error
struct sc_error
{
int position;
int code;
};
typedef struct sc_error sc_error;
// Describes a parsed shortcode
struct shortcode
{
@ -23,5 +31,23 @@ struct shortcode
};
typedef struct shortcode shortcode;
shortcode *parse(char *);
struct sc_result
{
shortcode sc[100];
sc_error errors[10];
int errcount;
};
typedef struct sc_result sc_result;
// Error codes
/* You are closing the wrong shortcode.
Example:
{{% foo %}} {{% /bar %}}
*/
#define ERR_MISMATCHED_CLOSING_TAG 1
sc_result parse(char *);
#endif

14
shortcodes.rl
View File

@ -1,7 +1,6 @@
#include <string.h>
#include "shortcodes.h"
%%{
machine shortcode;
@ -93,8 +92,10 @@
start + sc_list[c_sc-1].name.start,
start + sc_list[c_sc].name.start,
sc_list[c_sc-1].name.len) !=0)
{
return NULL;
{
result.errors[result.errcount].position = p-start;
result.errors[result.errcount].code = ERR_MISMATCHED_CLOSING_TAG;
result.errcount++;
}
// Reuse this shortcode entry for next one
sc_list[c_sc].name.start = 0;
@ -105,7 +106,7 @@
}%%
shortcode *parse(char *input) {
sc_result parse(char *input) {
%%write data;
char *eof, *ts, *te = 0;
@ -115,7 +116,8 @@ shortcode *parse(char *input) {
char *p = input;
char *pe = p + strlen(input);
shortcode sc_list[1000];
sc_result result;
shortcode *sc_list = result.sc;
int c_sc = 0;
int sc_start = 0;
@ -127,5 +129,5 @@ shortcode *parse(char *input) {
%% write init;
%% write exec;
return sc_list;
return sc_result;
}

112
tests.c
View File

@ -6,10 +6,11 @@ Describe(parse);
BeforeEach(parse) {}
AfterEach(parse) {}
shortcode *result;
sc_result result;
str s;
chunk_s(char *buffer, chunk c){
chunk_s(char *buffer, chunk c)
{
str_copyb(&s, buffer + c.start, c.len);
}
@ -18,7 +19,7 @@ Ensure(parse, empty_string)
char *input = "";
result = parse(input);
// This means no shortcodes in it
assert_that(result[0].name.len, is_equal_to(0));
assert_that(result.sc[0].name.len, is_equal_to(0));
}
Ensure(parse, simple_shortcode)
@ -26,15 +27,15 @@ Ensure(parse, simple_shortcode)
char *input = "foobar {{% shortcode %}}blah";
result = parse(input);
// Only 1 shortcode
assert_that(result[1].name.len, is_equal_to(0));
assert_that(result.sc[1].name.len, is_equal_to(0));
// It's a simple one called shortcode, no args
chunk_s(input, result[0].name);
chunk_s(input, result.sc[0].name);
assert_that(s.s, is_equal_to_string("shortcode"));
assert_that(result[0].matching, is_equal_to(0));
assert_that(result[0].argcount, is_equal_to(0));
assert_that(result.sc[0].matching, is_equal_to(0));
assert_that(result.sc[0].argcount, is_equal_to(0));
// The whole shortcode is the whole thing
chunk_s(input, result[0].whole);
chunk_s(input, result.sc[0].whole);
assert_that(s.s, is_equal_to_string("{{% shortcode %}}"));
}
@ -43,7 +44,7 @@ Ensure(parse, mismatched_brackets)
char *input = "foobar {{% shortcode >}}blah";
result = parse(input);
// No shortcodes
assert_that(result[0].name.len, is_equal_to(0));
assert_that(result.sc[0].name.len, is_equal_to(0));
}
Ensure(parse, mismatched_brackets_inside_data_are_ok)
@ -51,10 +52,10 @@ Ensure(parse, mismatched_brackets_inside_data_are_ok)
char *input = "foobar {{% sc %}} >}}blah {{% /sc %}} ";
result = parse(input);
// 1 shortcode
assert_that(result[1].name.len, is_equal_to(0));
chunk_s(input, result[0].whole);
assert_that(result.sc[1].name.len, is_equal_to(0));
chunk_s(input, result.sc[0].whole);
assert_that(s.s, is_equal_to_string("{{% sc %}} >}}blah {{% /sc %}}"));
chunk_s(input, result[0].data);
chunk_s(input, result.sc[0].data);
assert_that(s.s, is_equal_to_string(" >}}blah "));
}
@ -63,10 +64,10 @@ Ensure(parse, mismatched_brackets_in_qval_are_ok)
char *input = "foobar {{% sc \">}}blah\" %}} {{% /sc %}}";
result = parse(input);
// 1 shortcode
assert_that(result[1].name.len, is_equal_to(0));
chunk_s(input, result[0].whole);
assert_that(result.sc[1].name.len, is_equal_to(0));
chunk_s(input, result.sc[0].whole);
assert_that(s.s, is_equal_to_string("{{% sc \">}}blah\" %}} {{% /sc %}}"));
chunk_s(input, result[0].argvals[0]);
chunk_s(input, result.sc[0].argvals[0]);
assert_that(s.s, is_equal_to_string(">}}blah"));
}
@ -75,15 +76,15 @@ Ensure(parse, inner_spaces_optional)
char *input = "foobar {{% shortcode%}}blah";
result = parse(input);
// Only 1 shortcode
assert_that(result[1].name.len, is_equal_to(0));
assert_that(result.sc[1].name.len, is_equal_to(0));
// It's a simple one called shortcode, no args
chunk_s(input, result[0].name);
chunk_s(input, result.sc[0].name);
assert_that(s.s, is_equal_to_string("shortcode"));
assert_that(result[0].matching, is_equal_to(0));
assert_that(result[0].argcount, is_equal_to(0));
assert_that(result.sc[0].matching, is_equal_to(0));
assert_that(result.sc[0].argcount, is_equal_to(0));
// The whole shortcode is the whole thing
chunk_s(input, result[0].whole);
chunk_s(input, result.sc[0].whole);
assert_that(s.s, is_equal_to_string("{{% shortcode%}}"));
}
@ -92,13 +93,13 @@ Ensure(parse, name_can_be_path)
char *input = "foobar {{% shortcode/foo/bar %}}blah";
result = parse(input);
// Only 1 shortcode
assert_that(result[1].name.len, is_equal_to(0));
assert_that(result.sc[1].name.len, is_equal_to(0));
// It's a simple one called shortcode, no args
chunk_s(input, result[0].name);
chunk_s(input, result.sc[0].name);
assert_that(s.s, is_equal_to_string("shortcode/foo/bar"));
assert_that(result[0].matching, is_equal_to(0));
assert_that(result[0].argcount, is_equal_to(0));
assert_that(result.sc[0].matching, is_equal_to(0));
assert_that(result.sc[0].argcount, is_equal_to(0));
}
Ensure(parse, multiple_shortcodes)
@ -106,23 +107,23 @@ Ensure(parse, multiple_shortcodes)
char *input = "foobar {{% shortcode %}}blah {{<sc2 >}}blahblah";
result = parse(input);
// 2 shortcodes
assert_that(result[2].name.len, is_equal_to(0));
assert_that(result.sc[2].name.len, is_equal_to(0));
// It's a simple one called shortcode, no args
chunk_s(input, result[0].name);
chunk_s(input, result.sc[0].name);
assert_that(s.s, is_equal_to_string("shortcode"));
assert_that(result[0].matching, is_equal_to(0));
assert_that(result[0].argcount, is_equal_to(0));
assert_that(result.sc[0].matching, is_equal_to(0));
assert_that(result.sc[0].argcount, is_equal_to(0));
// The whole shortcode is the whole thing
chunk_s(input, result[0].whole);
chunk_s(input, result.sc[0].whole);
assert_that(s.s, is_equal_to_string("{{% shortcode %}}"));
// It's a simple one called sc2, no args
chunk_s(input, result[1].name);
chunk_s(input, result.sc[1].name);
assert_that(s.s, is_equal_to_string("sc2"));
assert_that(result[1].matching, is_equal_to(0));
assert_that(result[1].argcount, is_equal_to(0));
assert_that(result.sc[1].matching, is_equal_to(0));
assert_that(result.sc[1].argcount, is_equal_to(0));
// The whole shortcode is the whole thing
chunk_s(input, result[1].whole);
chunk_s(input, result.sc[1].whole);
assert_that(s.s, is_equal_to_string("{{<sc2 >}}"));
}
@ -132,18 +133,18 @@ Ensure(parse, matching_shortcode)
result = parse(input);
// Only 1 shortcode
assert_that(result[1].name.len, is_equal_to(0));
assert_that(result.sc[1].name.len, is_equal_to(0));
// It's a matching one called shortcode, no args
chunk_s(input, result[0].name);
chunk_s(input, result.sc[0].name);
assert_that(s.s, is_equal_to_string("shortcode"));
assert_that(result[0].matching, is_equal_to(1));
assert_that(result[0].argcount, is_equal_to(0));
assert_that(result.sc[0].matching, is_equal_to(1));
assert_that(result.sc[0].argcount, is_equal_to(0));
// data is the stuff between the shortcode tags
chunk_s(input, result[0].data);
chunk_s(input, result.sc[0].data);
assert_that(s.s, is_equal_to_string("foo bar"));
// The whole shortcode is the whole thing
chunk_s(input, result[0].whole);
chunk_s(input, result.sc[0].whole);
assert_that(s.s, is_equal_to_string("{{% shortcode %}}foo bar{{% /shortcode %}}"));
}
@ -152,41 +153,41 @@ Ensure(parse, shortcode_args)
char *input = "foobar {{% shortcode foo \"bar\" 42 bat=v1 baz=\"v2\" %}}blah";
result = parse(input);
// Only 1 shortcode
assert_that(result[1].name.len, is_equal_to(0));
assert_that(result.sc[1].name.len, is_equal_to(0));
// The whole shortcode is the whole thing
chunk_s(input, result[0].whole);
chunk_s(input, result.sc[0].whole);
assert_that(s.s, is_equal_to_string("{{% shortcode foo \"bar\" 42 bat=v1 baz=\"v2\" %}}"));
// Name is shortcode
chunk_s(input, result[0].name);
chunk_s(input, result.sc[0].name);
assert_that(s.s, is_equal_to_string("shortcode"));
assert_that(result[0].matching, is_equal_to(0));
assert_that(result.sc[0].matching, is_equal_to(0));
// Has 5 args
assert_that(result[0].argcount, is_equal_to(5));
assert_that(result.sc[0].argcount, is_equal_to(5));
// Arg1 is foo, no name
assert_that(result[0].argnames[0].len, is_equal_to(0));
chunk_s(input, result[0].argvals[0]);
assert_that(result.sc[0].argnames[0].len, is_equal_to(0));
chunk_s(input, result.sc[0].argvals[0]);
assert_that(s.s, is_equal_to_string("foo"));
// Arg2 is bar, no name
assert_that(result[0].argnames[1].len, is_equal_to(0));
chunk_s(input, result[0].argvals[1]);
assert_that(result.sc[0].argnames[1].len, is_equal_to(0));
chunk_s(input, result.sc[0].argvals[1]);
assert_that(s.s, is_equal_to_string("bar"));
// Arg3 is 42, no name
assert_that(result[0].argnames[2].len, is_equal_to(0));
chunk_s(input, result[0].argvals[2]);
assert_that(result.sc[0].argnames[2].len, is_equal_to(0));
chunk_s(input, result.sc[0].argvals[2]);
assert_that(s.s, is_equal_to_string("42"));
// Arg4 is bat=v1
chunk_s(input, result[0].argnames[3]);
chunk_s(input, result.sc[0].argnames[3]);
assert_that(s.s, is_equal_to_string("bat"));
chunk_s(input, result[0].argvals[3]);
chunk_s(input, result.sc[0].argvals[3]);
assert_that(s.s, is_equal_to_string("v1"));
// Arg5 is baz=v2
chunk_s(input, result[0].argnames[4]);
chunk_s(input, result.sc[0].argnames[4]);
assert_that(s.s, is_equal_to_string("baz"));
chunk_s(input, result[0].argvals[4]);
chunk_s(input, result.sc[0].argvals[4]);
assert_that(s.s, is_equal_to_string("v2"));
}
@ -195,10 +196,9 @@ Ensure(parse, escaped_shortcode)
char *input = "foobar \\{{% shortcode %}}";
result = parse(input);
// No shortcodes
assert_that(result[0].name.len, is_equal_to(0));
assert_that(result.sc[0].name.len, is_equal_to(0));
}
int main(int argc, char **argv)
{
str_init(&s);