first commit

dict.c

@@ -0,0 +1,104 @@
+#include "dat.h"
+#include "fn.h"
+
+static void
+dictlkup(Dictreq *req, Dictres *res)
+{
+	Lang *l;
+	Hmap *dict;
+	Hnode *n;
+	char *p, *e, *sp;
+	Str tmp;
+
+	res->nkouho = 0;
+	if(req->key.n == 0)
+		return;
+	res->kouho[0] = req->key;
+	res->nkouho = 1;
+	l = getlang(req->lang);
+	dict = l ? l->dict : nil;
+	if(dict == nil)
+		return;
+	n = hmapget(dict, &req->key);
+	if(n == nil || n->kanalen == 0)
+		return;
+	p = n->kana;
+	e = p + n->kanalen;
+	while(res->nkouho < Maxkouho && p < e){
+		sp = p;
+		while(p < e && *p != ' ')
+			p++;
+		sinit(&tmp, sp, p - sp);
+		if(scmp(&tmp, &req->key) != 0)
+			res->kouho[res->nkouho++] = tmp;
+		if(p < e)
+			p++;
+	}
+}
+
+void
+dictthread(void*)
+{
+	Dictreq req;
+	Dictres res;
+
+	threadsetname("dict");
+	for(;;){
+		if(chanrecv(dictreqc, &req) < 0)
+			break;
+		while(channbrecv(dictreqc, &req) > 0)
+			;
+		dictlkup(&req, &res);
+		res.key = req.line;
+		chansend(dictresc, &res);
+	}
+}
+
+static Hmap*
+opendict(char *path)
+{
+	Hmap *h;
+	Biobuf *b;
+	Str key, val;
+	char *line, *tab;
+	int len;
+
+	b = Bopen(path, OREAD);
+	if(b == nil)
+		die("can't open: %s", path);
+	h = hmapalloc(4096, 0);
+	while((line = Brdstr(b, '\n', 1)) != nil){
+		len = strlen(line);
+		if(len == 0 || line[0] == ';'){
+			free(line);
+			continue;
+		}
+		tab = strchr(line, '\t');
+		if(tab == nil || tab >= line + len - 1){
+			free(line);
+			continue;
+		}
+		*tab = '\0';
+		sinit(&key, line, tab - line);
+		sinit(&val, tab+1, len - (tab - line) - 1);
+		hmapset(&h, &key, &val);
+		free(line);
+	}
+	Bterm(b);
+	return h;
+}
+
+void
+dictinit(char *dir)
+{
+	char path[1024];
+	int i;
+
+	for(i = 0; i < nlang; i++){
+		if(langs[i].dictname == nil)
+			continue;
+		snprint(path, sizeof(path), "%s/%s.dict", dir, langs[i].dictname);
+		langs[i].dict = opendict(path);
+	}
+}
+