Mercurial > hg > Members > masakoha > testcode

changeset 130:7925e9abb078 pairPro

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add or flag
author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Wed, 02 Dec 2015 17:51:02 +0900
parents b930be74a16e
children a436526756b9
files c/regexParser/Makefile c/regexParser/node.cc c/regexParser/regexParser.cc c/regexParser/regexParser.h
diffstat 4 files changed, 20 insertions(+), 5 deletions(-) [+]
line wrap: on
line diff
--- a/c/regexParser/Makefile	Tue Dec 01 23:05:53 2015 +0900
+++ b/c/regexParser/Makefile	Wed Dec 02 17:51:02 2015 +0900
@@ -32,3 +32,5 @@
 	./$(TARGET) -regex "abc*d"
 	./$(TARGET) -regex "(ab)c*d"
 	./$(TARGET) -regex "a(b)c"
+	./$(TARGET) -regex "(a|b|c)d"
+	./$(TARGET) -regex "(a|b|c)*d"
--- a/c/regexParser/node.cc	Tue Dec 01 23:05:53 2015 +0900
+++ b/c/regexParser/node.cc	Wed Dec 02 17:51:02 2015 +0900
@@ -7,8 +7,11 @@
         descendTree(n->right, d);
         d--;
     }
-
-    printf("%*c%s(%lu)\n",d*4, ' ',n->cc->cond->w->word,n->nodeNumber);
+    if (n->tokenType != 'a') {
+        printf("%*c%c(%lu)\n",d*4, ' ',n->tokenType,n->nodeNumber);
+    } else {
+        printf("%*c%s(%lu)\n",d*4, ' ',n->cc->cond->w->word,n->nodeNumber);
+    }
 
     if (n->left != NULL) {
         d++;
--- a/c/regexParser/regexParser.cc	Tue Dec 01 23:05:53 2015 +0900
+++ b/c/regexParser/regexParser.cc	Wed Dec 02 17:51:02 2015 +0900
@@ -79,7 +79,7 @@
     int i = 0;
 
     RangeListPtr rangeList = cc->cond->range;
-  
+
     while (ri->ptr[i] != ']') {
         if (ri->ptr[i] == '-') i++;
 
@@ -132,6 +132,7 @@
             ri->ptr++;
             ri->tokenType = '|';
             ri->tokenValue = NULL;
+            ri->orFlag = true;
             return;
         } else if (ri->ptr[0] == '*'){
             ri->ptr++;
@@ -153,13 +154,16 @@
             while (isalnum(ri->ptr[0])) {
                 ri->ptr++;
             }
+            if (ri->ptr[0] == '*') {
+                ri->astarFlag = true;
+            }
             return;
         }
     }
     return;
 }
 
-// <regexAtom> ::= <literal>|<charClass>
+// <regexAtom> ::= <literal>|<charClass>|<group>
 static
 NodePtr regexAtom(RegexInfoPtr ri) {
 
@@ -172,7 +176,7 @@
     return n;
 }
 
-// <regex> ::= <regexAtom> | <regexAtom>'*' | <regexAtom>'|'<regex> | <regexAtom><regex> | '(' regex ')'
+// <regex> ::= <regexAtom> | <regexAtom>'*'<regex> | <regexAtom>'|'<regex> | <regexAtom><regex> |
 NodePtr regex(RegexInfoPtr ri) {
     NodePtr n = regexAtom(ri);
     while (ri->ptr[0]) {
@@ -183,6 +187,10 @@
             NodePtr n1 = regex(ri);
             n = createNode(ri,'|',n,n1);
         } else if (ri->tokenType == ')') {
+            if (ri->orFlag == true) {
+                ri->ptr--;
+                ri->orFlag = false;
+            }
             return n;
         } else {
             // return NULL
--- a/c/regexParser/regexParser.h	Tue Dec 01 23:05:53 2015 +0900
+++ b/c/regexParser/regexParser.h	Wed Dec 02 17:51:02 2015 +0900
@@ -40,4 +40,6 @@
     unsigned char tokenType;
     unsigned char *tokenValue;
     int nodeNumber;
+    int orFlag;
+    bool astarFlag;
 } RegexInfo, *RegexInfoPtr;