From 1b095f2c94abdd5531f0cf1b51c707f6875fef7f Mon Sep 17 00:00:00 2001
From: sejo <tejocote+codeberg@posteo.net>
Date: Fri, 3 Sep 2021 18:11:24 -0500
Subject: [PATCH] index and incoming links

---
 generador.c | 102 ++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 92 insertions(+), 10 deletions(-)

diff --git a/generador.c b/generador.c
index 20bd256c..8a38cfc7 100644
--- a/generador.c
+++ b/generador.c
@@ -3,15 +3,30 @@
 #include <string.h>
 #include <dirent.h>
 
+#define NPAGES 256
+
 typedef struct{
-	char outgoing[256][256];
-	int nlinks[256];
-} Links;
+	char filenames[NPAGES][256]; /* array of filenames */
+	char gminames[NPAGES][256];
+	char htmlnames[NPAGES][256];
+	char wikinames[NPAGES][256];
+        int incominglinks[NPAGES][NPAGES]; /* array of indexes */
+	int nilinks[NPAGES]; /* how many incoming links per page */
+	int count; /* total number of pages */
+} Pages;
 
 int main(int argc, char * argv[]){
 	DIR * d;
+	FILE * f;
 	struct dirent * entry;
-	Links links;
+	Pages p;
+	int i,j;
+	for(i=0; i<NPAGES; i++){
+		p.nilinks[i] = 0;
+	}
+
+	/* clean pages.gmo */
+	remove("src/pages.gmo");
 
 	/* open directory */
 	if( !(d = opendir("src")) ){
@@ -19,20 +34,87 @@ int main(int argc, char * argv[]){
 		return 1;
 	}
 
-	int i=0;
+	int fileindex=0;
         char * ret;
 	/* for each file */
 	while( (entry = readdir(d)) ){
 
 		/* find gmo files */
-                if( (ret = strstr( entry->d_name, ".gmo") ) ){
-			printf("%s\n", entry->d_name);
-			strcpy ( links.outgoing[i], entry->d_name );
-                        printf("%s\n", links.outgoing[i]);
+		if( (ret = strstr( entry->d_name, ".gmo") ) ){
+			/* add to index */
+			strcpy( p.filenames[fileindex], "src/");
+			strcat( p.filenames[fileindex], entry->d_name );
+/*			strcpy ( p.filenames[fileindex], entry->d_name ); */
+
+			/* add gmi name */
+			strcpy ( p.gminames[fileindex], entry->d_name );
+			ret = strstr( p.gminames[fileindex], ".gmo");
+			strcpy( ret, ".gmi");
+
+			/* add html name */
+			strcpy( p.htmlnames[fileindex], entry->d_name );
+			ret = strstr( p.htmlnames[fileindex], ".gmo");
+			strcpy( ret, ".html");
+
+			/* add wikiname */
+			strcpy( p.wikinames[fileindex], entry->d_name );
+			ret = strstr(p.wikinames[fileindex], ".gmo");
+			*ret = '\0'; /* remove suffix */
+			/* convert _ to spaces: */
+			for(i=0; p.wikinames[fileindex][i]; i++){
+				if(p.wikinames[fileindex][i]=='_')
+					p.wikinames[fileindex][i] = ' ';
+			}
+			fileindex++;
 		}
 	}
+	p.count = fileindex;
+	printf("%d gmo files\n",p.count);
+	closedir(d); /* close directory */
 
-	closedir(d);
+	/* write index: pages.gmo */
+	f = fopen("src/pages.gmo","w");
+	fputs("# index of pages\n\n",f);
+	for(i=0; i<p.count; i++){
+		fprintf(f,"=> ./%s {%s}\n",p.gminames[i],p.wikinames[i]);
+	}
+	fclose(f);
+
+	/* search for incoming links */
+	int premode = 0;
+	char line[1024];
+	char link[1024];
+	for(i=0; i<p.count; i++){
+		premode = 0;
+		printf("scanning %s for outgoing links...\n",p.filenames[i]);
+		f = fopen(p.filenames[i],"r");
+		while( fgets(line, 1024, f) ){
+			if( strncmp( line, "```", 3) == 0){ /* check for pre-mode */
+				premode = !premode;
+			}
+			if( !premode ){
+				/* search for wikilink */
+				if( (ret=strchr(line,'{') )){
+					for(j=1; ret[j]!='}';j++){
+						link[j-1]=ret[j];
+					}
+					link[j-1] = '\0'; /* link has wikilink name */
+					/* search for wikiname to assign incoming link: */
+					for(j=0; j<p.count; j++){
+						if(strcmp(p.wikinames[j],link)==0){
+							p.incominglinks[j][ p.nilinks[j]++ ] = i;
+						}
+					}
+					printf("%s\n",link);
+				}
+			}
+		}
+		fclose(f);
+	}
+
+	for(i=0; i<p.count; i++){
+		printf("%s has %d incoming links\n",p.wikinames[i],p.nilinks[i]);
+	}
 
 
 	return 0;