Rename to Sj4

lib/sj4core/clstudy.c

@@ -0,0 +1,256 @@
+/*
+ * Copyright (c) 1991-1994  Sony Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Sony Corporation
+ * shall not be used in advertising or otherwise to promote the sale, use
+ * or other dealings in this Software without prior written authorization
+ * from Sony Corporation.
+ *
+ */
+
+/*
+ * $SonyRCSfile: clstudy.c,v $
+ * $SonyRevision: 1.1 $
+ * $SonyDate: 1994/06/03 08:01:32 $
+ */
+
+#include "sj_kcnv.h"
+
+#include "sj_kanakan.h"
+
+static u_char *delcldata(SJ4_CONTEXT u_char*), *srchclpos(SJ4_CONTEXT u_char*);
+static int     delclold(SJ4_CONTEXT2);
+
+int clstudy(SJ4_CONTEXT u_char* yomi1, u_char* yomi2, STDYOUT* stdy) {
+	u_char	ytmp[CLSTDY_TMPLEN];
+	u_char *dst, *ptr;
+	int	ret;
+	int	len1, len2;
+	int	alen, blen;
+	int	i;
+
+	if(!StudyExist()) return CLSTUDYNODICT;
+
+	if(!yomi1 || !*yomi1) return CLSTUDYPARAERR;
+
+	if(!yomi2 || !*yomi2) {
+		if(!sj2cd_str(yomi1, ytmp, CLSTDY_TMPLEN))
+			return CLSTUDYYOMIERR;
+
+		(void)delcldata(SJ4_CONTEXT_PASS ytmp);
+
+		ret = CLSTUDYNORMEND;
+	} else if(!stdy)
+		return CLSTUDYPARAERR;
+
+	else {
+		if(!sj2cd_str(yomi1, ytmp, CLSTDY_TMPLEN))
+			return CLSTUDYYOMIERR;
+		len1 = sstrlen(ytmp);
+
+		if(!sj2cd_str(yomi2, ytmp + len1, CLSTDY_TMPLEN - len1))
+			return CLSTUDYYOMIERR;
+		len2 = len1 + stdy->len;
+
+		ytmp[len2] = 0;
+
+		alen = len2 + CL_HDLEN;
+
+		if(alen + 1 >= CLSTUDYLEN) return CLSTUDYNOAREA;
+
+		blen = CLSTUDYTAIL - delcldata(SJ4_CONTEXT_PASS ytmp) - 1;
+
+		while(blen < alen) {
+			if(!(i = delclold(SJ4_CONTEXT_PASS2))) break;
+			blen += i;
+		}
+
+		if(blen >= alen) {
+			dst = srchclpos(SJ4_CONTEXT_PASS ytmp);
+
+			ptr = CLSTUDYTAIL - alen;
+			mvmemd(ptr, CLSTUDYTAIL, (ptr - dst));
+			ClYomiLen(dst)	= (u_char)len2;
+			ClGramCode(dst) = stdy->hinshi;
+			ClYomi1Len(dst) = (u_char)len1;
+			ClSetNum(dst, 1);
+			memcpy(ClYomiPos(dst), ytmp, len2);
+
+			ret = CLSTUDYNORMEND;
+		} else
+			ret = CLSTUDYNOAREA;
+	}
+	mkclidx(SJ4_CONTEXT_PASS2);
+	putcldic(SJ4_CONTEXT_PASS2);
+
+	return ret;
+}
+
+static u_char*
+delcldata(SJ4_CONTEXT u_char* ycode) {
+	u_char* tagptr;
+	u_char* ptr1;
+	u_char* ptr2;
+	int	len1;
+
+	tagptr = CLSTUDYDICT;
+	while(!iseocl(tagptr)) {
+		ptr1 = ycode;
+		ptr2 = ClYomiPos(tagptr);
+		len1 = ClYomiLen(tagptr);
+
+		while(*ptr1 && len1) {
+			if(*ptr1 != *ptr2) break;
+			ptr1++;
+			ptr2++;
+			len1--;
+		}
+		if(!*ptr1 || !len1) {
+			delclsub(SJ4_CONTEXT_PASS tagptr);
+		} else {
+			tagptr = ClNextTag(tagptr);
+		}
+	}
+
+	return tagptr;
+}
+
+void delclsub(SJ4_CONTEXT u_char* target) {
+	u_char* src;
+	int	num;
+	int	tmp;
+	int	len;
+
+	num = ClGetNum(target);
+
+	len = ClBlkLen(target);
+
+	src = target + len;
+
+	mvmemi(src, target, (CLSTUDYTAIL - src));
+
+	memset(CLSTUDYTAIL - len, 0, len);
+
+	src = CLSTUDYDICT;
+	while(!iseocl(src)) {
+		tmp = ClGetNum(src);
+
+		if(tmp > num) {
+			tmp -= 1;
+			ClSetNum(src, tmp);
+		}
+
+		src = ClNextTag(src);
+	}
+}
+
+static int
+delclold(SJ4_CONTEXT2) {
+	u_char* tagptr;
+	u_char* target;
+	int	num;
+	int	tmp;
+
+	target = NULL;
+	num    = 0;
+
+	tagptr = CLSTUDYDICT;
+	while(!iseocl(tagptr)) {
+		tmp = ClGetNum(tagptr);
+
+		if(tmp >= num) {
+			num    = tmp;
+			target = tagptr;
+		}
+
+		tagptr = ClNextTag(tagptr);
+	}
+
+	if(target) {
+		num = ClBlkLen(tagptr);
+		delclsub(SJ4_CONTEXT_PASS target);
+	}
+
+	return num;
+}
+
+static u_char*
+srchclpos(SJ4_CONTEXT u_char* ycode) {
+	u_char* tagptr;
+	u_char* target;
+	u_char* ptr1;
+	u_char* ptr2;
+	int	len;
+	int	tmp;
+
+	target = NULL;
+	tagptr = CLSTUDYDICT;
+	while(!iseocl(tagptr)) {
+		tmp = ClGetNum(tagptr);
+
+		tmp++;
+		ClSetNum(tagptr, tmp);
+
+		ptr1 = ycode;
+		ptr2 = ClYomiPos(tagptr);
+		len  = ClYomiLen(tagptr);
+		while(*ptr1 && len) {
+			if(*ptr1 != *ptr2) break;
+			ptr1++;
+			ptr2++;
+			len--;
+		}
+
+		if(!target) {
+			if(!len)
+				;
+			else if(!*ptr1)
+				target = tagptr;
+			else if(*ptr1 < *ptr2)
+				target = tagptr;
+		}
+		tagptr = ClNextTag(tagptr);
+	}
+
+	return target ? target : tagptr;
+}
+
+void mkclidx(SJ4_CONTEXT2) {
+	u_char* ptr;
+	int	num;
+	int	st, ed;
+
+	if(!StudyExist()) return;
+
+	ptr = CLSTUDYDICT;
+	for(num = st = 0; st < 0x100; num++, st = ed) {
+		ed = st + CLSTUDYSTEP;
+		while(!iseocl(ptr)) {
+			if((unsigned int)*ClYomiPos(ptr) >= st) break;
+			ptr = ClNextTag(ptr);
+		}
+		if(ClYomiLen(ptr) && ((int)*ClYomiPos(ptr) < ed))
+			CLSTUDYIDX[num] = ptr - CLSTUDYDICT;
+		else
+			CLSTUDYIDX[num] = (u_short)-1;
+	}
+}