* enc/iso_8859_4.c, enc/iso_8859_10.c, enc/iso_8859_14.c,

  enc/iso_8859_15.c, enc/iso_8859_16.c: Replace case-by-case code with
  lookup in ENC_ISO_8859_xx_TO_LOWER_CASE table.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55631 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

5 files changed, 5 insertions, 50 deletions

diff --git a/enc/iso_8859_10.c b/enc/iso_8859_10.c
index 569c26c264..d302c78023 100644
--- a/enc/iso_8859_10.c
+++ b/enc/iso_8859_10.c
@@ -252,10 +252,7 @@ case_map (OnigCaseFoldType* flagP, const OnigUChar** pp,
     else if ((EncISO_8859_10_CtypeTable[code] & BIT_CTYPE_UPPER)
 	     && (flags & (ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_FOLD))) {
       flags |= ONIGENC_CASE_MODIFIED;
-      if (code>=0xA0 && code<=0xBF)
-	code += 0x10;
-      else
-	code += 0x20;
+      code = ENC_ISO_8859_10_TO_LOWER_CASE(code);
     }
     else if ((EncISO_8859_10_CtypeTable[code]&BIT_CTYPE_LOWER)
 	     && (flags&ONIGENC_CASE_UPCASE)) {
diff --git a/enc/iso_8859_14.c b/enc/iso_8859_14.c
index 708204b662..3d172e0ba4 100644
--- a/enc/iso_8859_14.c
+++ b/enc/iso_8859_14.c
@@ -254,20 +254,7 @@ case_map (OnigCaseFoldType* flagP, const OnigUChar** pp,
     else if ((EncISO_8859_14_CtypeTable[code] & BIT_CTYPE_UPPER)
 	     && (flags & (ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_FOLD))) {
       flags |= ONIGENC_CASE_MODIFIED;
-      if (code == 0xA1 || code == 0xA4 || code == 0xB0 || code == 0xB2 || code == 0xB4 || code == 0xBD)
-	code += 0x1;
-      else if(code == 0xA6)
-	code += 0x5;
-      else if(code == 0xAF)
-	code += 0x50;
-      else if(code == 0xB7)
-	code += 0x2;
-      else if(code == 0xBB)
-	code += 0x4;
-      else if(code == 0xA8 || code == 0xAA || code == 0xAC)
-	code += 0x10;
-      else
-	code += 0x20;
+      code = ENC_ISO_8859_14_TO_LOWER_CASE(code);
     }
     else if ((EncISO_8859_14_CtypeTable[code]&BIT_CTYPE_LOWER)
 	     && (flags&ONIGENC_CASE_UPCASE)) {
diff --git a/enc/iso_8859_15.c b/enc/iso_8859_15.c
index 5180383331..4e6f76ed2b 100644
--- a/enc/iso_8859_15.c
+++ b/enc/iso_8859_15.c
@@ -248,16 +248,7 @@ case_map (OnigCaseFoldType* flagP, const OnigUChar** pp,
     else if ((EncISO_8859_15_CtypeTable[code] & BIT_CTYPE_UPPER)
 	     && (flags & (ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_FOLD))) {
       flags |= ONIGENC_CASE_MODIFIED;
-      if (code==0xA6)
-        code += 2;
-      else if (code==0xB4)
-        code += 4;
-      else if (code==0xBC)
-	code += 1;
-      else if (code==0xBE)
-	code += 0x41;
-      else
-	code += 0x20;
+      code = ENC_ISO_8859_15_TO_LOWER_CASE(code);
     }
     else if ((EncISO_8859_15_CtypeTable[code]&BIT_CTYPE_LOWER)
 	     && (flags&ONIGENC_CASE_UPCASE)) {
diff --git a/enc/iso_8859_16.c b/enc/iso_8859_16.c
index 4f768cd9f0..8527b00cf2 100644
--- a/enc/iso_8859_16.c
+++ b/enc/iso_8859_16.c
@@ -249,20 +249,7 @@ case_map (OnigCaseFoldType* flagP, const OnigUChar** pp,
     else if ((EncISO_8859_16_CtypeTable[code] & BIT_CTYPE_UPPER)
 	     && (flags & (ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_FOLD))) {
       flags |= ONIGENC_CASE_MODIFIED;
-      if (code==0xA1 || code==0xBC)
-	code++;
-      else if (code==0xA3 || code==0xAA || code==0xAF)
-	code += 0x10;
-      else if (code==0xA6 || code==0xAC)
-	code += 0x02;
-      else if (code==0xB2)
-	code += 0x07;
-      else if (code==0xB4)
-	code += 0x04;
-      else if (code==0xBE)
-	code += 0x41;
-      else
-	code += 0x20;
+      code = ENC_ISO_8859_16_TO_LOWER_CASE(code);
     }
     else if ((EncISO_8859_16_CtypeTable[code]&BIT_CTYPE_LOWER)
 	     && (flags&ONIGENC_CASE_UPCASE)) {
diff --git a/enc/iso_8859_4.c b/enc/iso_8859_4.c
index ea529a10da..06a57ef7aa 100644
--- a/enc/iso_8859_4.c
+++ b/enc/iso_8859_4.c
@@ -250,14 +250,7 @@ case_map(OnigCaseFoldType* flagP, const OnigUChar** pp,
     else if ((EncISO_8859_4_CtypeTable[code] & BIT_CTYPE_UPPER)
 	     && (flags & (ONIGENC_CASE_DOWNCASE|ONIGENC_CASE_FOLD))) {
       flags |= ONIGENC_CASE_MODIFIED;
-      if (code>=0xA0 && code<=0xBF) {
-	if (code==0xBD)
-	  code += 0x02;
-	else
-	  code += 0x10;
-      }
-      else
-	code += 0x20;
+      code = ENC_ISO_8859_4_TO_LOWER_CASE(code);
     }
     else if ((EncISO_8859_4_CtypeTable[code]&BIT_CTYPE_LOWER)
 	     && (flags&ONIGENC_CASE_UPCASE)) {