75 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include "../libre_redirect/str_replace_start.h"
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#include "../libre_redirect/str_init.h"
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#define SHORTCUT_N 41
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/* Uncomment for debug */
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/* #define DEBUG */
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/* Inspired by https://duckduckgo.com/bangs */
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int shortcut_expand(const char* uri, char* output)
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{
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    printf("SHORTCUT EXPAND!");
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    int l1 = strlen(uri);
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    int l2 = strlen(output);
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    int len;
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    char tmp_uri[l2++];
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    char tmp_output[l2++];
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    if ((l2 - l1) < SHORTCUT_N) {
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#ifdef DEBUG
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        printf("Not enough memory\n");
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#endif
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        return 1; // not enough memory.
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    } else {
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        strcpy(tmp_uri, uri); // strcpy also copies the terminating '\0'
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        strcpy(tmp_output, output);
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        char* shortcuts[] = {
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            "!fnf",
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            "!fnc",
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						"!hn",
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						"!hnb"
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        };
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        char* expansions[] = {
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            "https://forum.nunosempere.com/frontpage",
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            "https://forum.nunosempere.com/comments",
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            "https://news.ycombinator.com",
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            "https://news.ycombinator.com/best",
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        };
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        // len = sizeof(shortcuts) / sizeof(shortcuts[0]);
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        len = sizeof(shortcuts) / sizeof(char *);
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        for (int i = 0; i < len; i++) {
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            int replace_check = str_replace_start(tmp_uri, shortcuts[i],
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                expansions[i], output);
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            if (replace_check == 2) {
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#ifdef DEBUG
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                printf("tmp_uri: %s\n", tmp_uri);
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                printf("output: %s\n", output);
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#endif
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                return 2;
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            } else if (replace_check == 1) {
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#ifdef DEBUG
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                printf("replace_check failed\n");
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#endif
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                return 1;
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            }
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            strcpy(tmp_uri, output);
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            str_init(output, l2);
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        }
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        strcpy(output, tmp_uri);
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    }
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#ifdef DEBUG
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    printf("No match found\n\n");
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#endif
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    return 0;
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}
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