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/* $Id: html.c 12 2024-08-30 05:23:43Z nishi $ */

#include "web_html.h"

#include "ia_util.h"

#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

extern char* webroot;

char* web_html_escape(const char* html) {
        char* str = malloc(strlen(html) * 5 + 1);
        int i;
        int incr = 0;
        for(i = 0; html[i] != 0; i++) {
                if(html[i] == '&') {
                        str[incr++] = '&';
                        str[incr++] = 'a';
                        str[incr++] = 'm';
                        str[incr++] = 'p';
                        str[incr++] = ';';
                } else if(html[i] == '<') {
                        str[incr++] = '&';
                        str[incr++] = 'l';
                        str[incr++] = 't';
                        str[incr++] = ';';
                } else if(html[i] == '>') {
                        str[incr++] = '&';
                        str[incr++] = 'g';
                        str[incr++] = 't';
                        str[incr++] = ';';
                } else {
                        str[incr++] = html[i];
                        ;
                }
        }
        str[incr] = 0;
        return str;
}

int web_html_generate(const char* name, web_range_t range) {
        char* path = ia_strcat4(webroot, "/", name, ".html");
        FILE* f = fopen(path, "w");
        if(f != NULL) {
                char* htmlesc = web_html_escape(name);
                char* title = ia_strcat("Archive: ", htmlesc);
                fprintf(f, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n");
                fprintf(f, "<html>\n");
                fprintf(f, "    <head>\n");
                fprintf(f, "            <meta http-equiv=\"Content-Type\" content=\"text/html;charset=UTF-8\">\n");
                fprintf(f, "            <title>%s</title>\n", title);
                fprintf(f, "    </head>\n");
                fprintf(f, "    <body>\n");
                fprintf(f, "            <div style=\"text-align: center; background-color: #0000e0;\">\n");
                fprintf(f, "                    <h1>%s</h1>\n", title);
                fprintf(f, "            </div>\n");
                fprintf(f, "    </body>\n");
                fprintf(f, "</html>\n");
                fclose(f);
                free(title);
                free(htmlesc);
        }
        free(path);
}