X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=swcsa%2Futils%2Fvalstring.c;fp=swcsa%2Futils%2Fvalstring.c;h=d27c7478ccacf5f0a7448e5ec3dbaed5b960f16a;hb=102e33b134075765e6d4e0c38bc1307568ce5602;hp=0000000000000000000000000000000000000000;hpb=ed61d2042a7ad7dd83bae32d7c31e69504dafa80;p=SXSI%2FTextCollection.git

diff --git a/swcsa/utils/valstring.c b/swcsa/utils/valstring.c
new file mode 100755
index 0000000..d27c747
--- /dev/null
+++ b/swcsa/utils/valstring.c
@@ -0,0 +1,130 @@
+#include "valstring.h"
+#include <stdio.h>
+
+unsigned char  _Valid[256];
+unsigned char  _Invalid[256];
+
+unsigned char _toLow[256];
+
+
+#ifndef ValidCh
+
+ #define ValidCh(ch)  (isalnum(ch)) /* Teste de validacao	  */   
+ #define InvalidCh(ch) (!ValidCh(ch))
+
+#endif
+
+
+
+
+void StartValid() {
+
+  unsigned x;
+
+  for(x=0;x<128;x++) {
+    if(ValidCh(x)) {
+      _Valid[x]=1;
+      _Invalid[x]=0;
+    }
+    else {
+      _Valid[x]=0;
+      _Invalid[x]=1;
+    }
+  }
+  for(x=128;x<256;x++) {
+    _Valid[x]=0;
+    _Invalid[x]=1;
+  }
+  
+  _Valid[0]=_Invalid[0]=0;
+
+  // Caracteres especiales (acentuados, dieresis...)
+  // Caracter 'ñ'
+  _Valid[241]=1;
+  _Invalid[241]=0;
+  // Caracter 'Ñ'
+  _Valid[209]=1;
+  _Invalid[209]=0;
+  // Caracter 'á'
+  _Valid[225]=1;
+  _Invalid[225]=0;
+  // Caracter 'é'
+  _Valid[233]=1;
+  _Invalid[233]=0;
+  // Caracter 'í'
+  _Valid[237]=1;
+  _Invalid[237]=0;
+  // Caracter 'ó'
+  _Valid[243]=1;
+  _Invalid[243]=0;
+  // Caracter 'ú'
+  _Valid[250]=1;
+  _Invalid[250]=0;
+  // Caracter 'Á'
+  _Valid[193]=1;
+  _Invalid[193]=0;
+  // Caracter 'É'
+  _Valid[201]=1;
+  _Invalid[201]=0;
+  // Caracter 'Í'
+  _Valid[205]=1;
+  _Invalid[205]=0;
+  // Caracter 'Ó'
+  _Valid[211]=1;
+  _Invalid[211]=0;
+  // Caracter 'Ú'
+  _Valid[218]=1;
+  _Invalid[218]=0;
+  // Caracter 'ü'
+  _Valid[252]=1;
+  _Invalid[252]=0;
+  // Caracter 'Ü'
+  _Valid[220]=1;
+  _Invalid[220]=0;
+      
+}
+
+
+
+
+void StartToLow() {
+	int i;
+ 	unsigned char c;
+ 	for (i=0;i<256;i++) {
+ 		c=i;
+ 		if( (c >= 'A') && (c <= 'Z') ){
+ 			_toLow[i]= c+ 'a'-'A';
+ 		}
+ 		else if (!_Valid[c]) {
+ 			_toLow[i]=c; 	
+ 		}		
+ 		else {
+			switch(c) {			
+				case 192: case 193: case 194: case 195: case 196: case 197: case 224: case 225: 
+				case 226: case 227: case 228: case 229: 
+					c = 97; break;
+			
+				case 201: case 202: case 203: case 232: case 233: case 234: case 235: 
+					c = 101; break;
+				
+				case 204: case 205: case 206: case 207: case 236: case 237: case 238: case 239: 
+					c = 105; break;
+				
+				case 210: case 211: case 212: case 213: case 214: case 242: case 243: case 244: 
+				          case 245: case 246: 
+					c = 111; break;
+				
+				case 217: case 218: case 219: case 220: case 249: case 250: case 251: case 252: 
+					c = 117; break;
+				
+				case 209: c = 241; break;
+				
+				case 138: case 154: c = 115; break;
+				
+				case 159: case 221: case 253: case 255: 
+					c = 121; break;				
+			}
+			_toLow[i]=c;
+		}
+	}	
+}