388 lines
11 KiB
C
388 lines
11 KiB
C
/* daisy
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* alif@radhitya.org
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*
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* thank you stackoverflow, geeksforgeeks, grok
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*/
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#define _DEFAULT_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <dirent.h>
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#define MAX_LENGTH 1000
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typedef struct {
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int bold;
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int quote;
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int italic;
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int hyperlink;
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int code;
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int headingone;
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int headingtwo;
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int headingthree;
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} Markdown;
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Markdown mdt = {
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.italic = 0,
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.bold = 0,
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.quote = 0,
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.headingone = 0,
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.headingtwo = 0,
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.headingthree = 0,
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.code = 0
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};
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FILE *fptr, *fpto;
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char txt[MAX_LENGTH], of[MAX_LENGTH];
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int i, len;
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char *gantihuruf(const char *kata) {
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static char output[100];
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char *dot = strrchr(kata, '.');
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if (dot == NULL || dot == kata) {
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snprintf(output, sizeof(output), "%s.html", kata);
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} else {
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int len = dot - kata;
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strncpy(output, kata, len);
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output[len] = '\0';
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strcat(output, ".html");
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}
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return output;
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}
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void add_css(void) {
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FILE *fpcss = fopen("./media/style.css", "r");
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if (fpcss == NULL) {
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fpcss = fopen("./media/style.css", "w");
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if (fpcss == NULL) {
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perror("galat membuat css");
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exit(1);
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}
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}
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}
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void newsetup(void) {
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struct stat st;
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if (stat("./source", &st) == -1) mkdir("./source", 0700);
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if (stat("./target", &st) == -1) mkdir("./target", 0700);
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if (stat("./media", &st) == -1) mkdir("./media", 0700);
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fptr = fopen("./source/index", "r");
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if (fptr == NULL) {
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fptr = fopen("./source/index", "w");
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if (fptr == NULL) {
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perror("galat buat ./source/index (fptr)");
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exit(1);
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} else {
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printf("sukses buat ./source/index\n");
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}
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} else {
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printf("./source/index sudah ada\n");
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fclose(fptr);
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}
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}
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void checker(void) {
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fptr = fopen("./source/index", "rb+");
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if (fptr == NULL) {
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perror("galat checker buat ./source/index");
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exit(1);
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}
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}
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void
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doitalic(void) {
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if (!mdt.italic) {
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fprintf(fpto, "<i>");
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mdt.italic = 1;
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} else {
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fprintf(fpto, "</i>");
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mdt.italic = 0;
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}
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}
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void
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dobold(void) {
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if (!mdt.bold) {
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fprintf(fpto, "<b>");
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mdt.bold = 1;
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i++;
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} else {
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fprintf(fpto, "</b>");
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mdt.bold = 0;
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i++;
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}
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}
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void
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doblockquote(void) {
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fprintf(fpto, "<blockquote>");
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mdt.quote = 1;
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}
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void
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doimage(void) {
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if (i + 1 < len && txt[i+1] == '[' && (i == 0 || txt[i] != '\\')) {
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int alt_start = i + 2;
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int alt_end = -1;
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int url_start = -1;
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int url_end = -1;
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int j;
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for (j = alt_start; j < len; j++) {
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if (txt[j] == ']' && (j == 0 || txt[j-1] != '\\')) {
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alt_end = j;
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break;
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}
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}
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if (alt_end != -1) {
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for (j = alt_end + 1; j < len; j++) {
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if (txt[j] == '(' && (j == 0 || txt[j-1] != '\\')) {
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url_start = j + 1;
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break;
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}
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}
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if (url_start != -1) {
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for (j = url_start; j < len; j++) {
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if (txt[j] == ')' && (j == 0 || txt[j-1] != '\\')) {
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url_end = j;
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break;
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}
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}
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}
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}
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if (alt_end != -1 && url_end != -1) {
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char alt_text[100], url[100];
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int alt_len = alt_end - alt_start;
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int url_len = url_end - url_start;
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strncpy(alt_text, txt + alt_start, alt_len);
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alt_text[alt_len] = '\0';
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strncpy(url, txt + url_start, url_len);
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url[url_len] = '\0';
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fprintf(fpto, "<img src=\"%s\" alt=\"%s\">", url, alt_text);
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i = url_end;
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} else {
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fprintf(fpto, "!");
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}
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} else {
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fprintf(fpto, "!");
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}
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}
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void
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docode(void) {
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if (!mdt.code) {
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fprintf(fpto, "<code>");
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mdt.code = 1;
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} else {
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fprintf(fpto, "</code>");
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mdt.code = 0;
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}
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}
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void
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dohyperlink(void) {
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int start_linkname = i + 1;
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int end_linkname = -1;
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int start_linkurl = -1;
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int end_linkurl = -1;
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int j;
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for (j = start_linkname; j < len; j++) {
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if (txt[j] == ']' && (j == 0 || txt[j-1] != '\\')) {
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end_linkname = j;
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break;
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}
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}
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if (end_linkname != -1) {
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for (j = end_linkname + 1; j < len; j++) {
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if (txt[j] == '(' && (j == 0 || txt[j-1] != '\\')) {
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start_linkurl = j + 1;
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break;
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}
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}
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if (start_linkurl != -1) {
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for (j = start_linkurl; j < len; j++) {
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if (txt[j] == ')' && (j == 0 || txt[j-1] != '\\')) {
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end_linkurl = j;
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break;
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}
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}
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}
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}
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if (end_linkname != -1 && end_linkurl != -1) {
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char linkname[100], linkurl[100];
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int linkname_len = end_linkname - start_linkname;
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int linkurl_len = end_linkurl - start_linkurl;
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strncpy(linkname, txt + start_linkname, linkname_len);
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linkname[linkname_len] = '\0';
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strncpy(linkurl, txt + start_linkurl, linkurl_len);
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linkurl[linkurl_len] = '\0';
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fprintf(fpto, "<a href=\"%s\">%s</a>", linkurl, linkname);
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i = end_linkurl;
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} else {
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fprintf(fpto, "[");
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}
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}
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void build(void) {
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fprintf(fpto, "<html>\n<body>\n<head>\n<meta charset=\"utf-8\"/>\n<title>daisy homepage</title>\n");
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fprintf(fpto, "<style>body{background: #4caf50} blockquote{background: #fff}</style>\n</head>\n");
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while (fgets(txt, MAX_LENGTH, fptr) != NULL) {
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len = strlen(txt);
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if (len > 0 && txt[len-1] == '\n') {
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txt[--len] = '\0';
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}
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mdt.headingone = mdt.headingtwo = mdt.quote = mdt.headingthree = 0;
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if (len == 0) {
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fprintf(fpto, "\n");
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} else {
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i = 0;
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if (len > 1 && txt[0] == '#' && txt[1] != '\\') {
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if (len > 2 && txt[1] == '#' && txt[2] != '\\') {
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if (len > 3 && txt[2] == '#' && txt[3] != '\\') {
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fprintf(fpto, "<h3>");
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mdt.headingthree = 1;
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while (i < len && (txt[i] == '#' || txt[i] == ' ')) i++;
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} else {
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fprintf(fpto, "<h2>");
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mdt.headingtwo = 1;
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while (i < len && (txt[i] == '#' || txt[i] == ' ')) i++;
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}
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} else {
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fprintf(fpto, "<h1>");
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mdt.headingone = 1;
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while (i < len && (txt[i] == '#' || txt[i] == ' ')) i++;
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}
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} else if (len > 1 && txt[0] == '>' && txt[1] != '\\') {
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doblockquote();
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while (i < len && (txt[i] == '>' || txt[i] == ' ')) i++;
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} else {
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fprintf(fpto, "<p>");
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}
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for (i = 0; i < len; i++) {
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if (txt[i] == '_' && (i == 0 || txt[i-1] != '\\')) {
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doitalic();
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} else if (txt[i] == '!' && (i == 0 || txt[i-1] != '\\')) {
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doimage();
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} else if (txt[i] == '[' && (i == 0 || txt[i-1] != '\\')) {
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dohyperlink();
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} else if (txt[i] == '`' && (i == 0 || txt[i-1] != '\\')) {
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docode();
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} else if (i + 1 < len && txt[i] == '*' && txt[i+1] == '*' && (i == 0 || txt[i-1] != '\\')) {
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dobold();
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} else {
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fputc(txt[i], fpto);
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}
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}
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if (mdt.italic) fprintf(fpto, "</i>");
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else if (mdt.code) fprintf(fpto, "</code>");
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else if (mdt.bold) fprintf(fpto, "</b>");
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else if (mdt.quote) fprintf(fpto, "</blockquote>\n");
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else if (mdt.headingone) fprintf(fpto, "</h1>\n");
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else if (mdt.headingtwo) fprintf(fpto, "</h2>\n");
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else if (mdt.headingthree) fprintf(fpto, "</h3>\n");
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if (!(mdt.headingone || mdt.headingtwo || mdt.headingthree || mdt.quote)) fprintf(fpto, "</p>\n");
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mdt.italic = mdt.bold = mdt.quote = mdt.headingone = mdt.headingtwo = mdt.headingthree = mdt.code = 0;
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}
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}
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fprintf(fpto, "</body>\n</html>");
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}
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int main(int argc, char *argv[]) {
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if (argc < 2) {
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printf("penggunaan: %s <command>\natau %s help untuk info lebih lanjut\n", argv[0], argv[0]);
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return 1;
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}
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for (int i = 1; i < argc; i++) {
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if (strcmp("about", argv[i]) == 0) {
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printf("daisy © radhitya.org\n");
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return 0;
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} else if (strcmp("build", argv[i]) == 0) {
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DIR *dir;
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struct dirent *ent;
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if ((dir = opendir("./source")) != NULL) {
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while ((ent = readdir(dir)) != NULL) {
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/* d_type dari dirent.h
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* DT_REG == file reguler (Directory Type Regular file)
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*/
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if (ent->d_type == DT_REG) {
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char path[MAX_LENGTH];
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snprintf(path, sizeof(path), "./source/%s", ent->d_name);
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fptr = fopen(path, "rt");
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if (fptr == NULL) {
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perror("galat membuka berkas");
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continue;
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}
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char *new_name = gantihuruf(ent->d_name);
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snprintf(of, sizeof(of), "./target/%s", new_name);
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fpto = fopen(of, "w");
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if (fpto == NULL) {
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perror("galat membuat berkas keluaran");
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fclose(fptr);
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continue;
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}
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build();
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fclose(fptr);
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fclose(fpto);
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printf("dokumen %s telah berhasil dibuat\n", of);
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}
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}
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closedir(dir);
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} else {
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perror("galat membuka direktori ./source");
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return 1;
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}
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return 0;
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} else if (strcmp("help", argv[i]) == 0) {
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printf("help : help\nnew : new site\nbuild : build all files in source/ to HTML\n");
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return 0;
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} else if (strcmp("new", argv[i]) == 0) {
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newsetup();
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return 0;
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} else {
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printf("salah perintah\n");
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return 0;
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}
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}
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printf("salah perintah\n");
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return 1;
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}
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