Diff: util/lex.cpp

Revision:

99:e369fc75c000

Parent:

94:61d44636f020

--- a/util/lex.cpp	Mon Apr 27 13:30:21 2015 +0000
+++ b/util/lex.cpp	Thu May 07 09:57:55 2015 +0000
@@ -1,6 +1,7 @@
 #include <ctype.h>
 #include <string.h>
 #include "lex.h"
+#include "logging.h"
 
 const char* skipHTTPHeader(const char* p)
 {
@@ -100,6 +101,44 @@
         return p+j;
 }
 
+const char* lexConfig(const char* p, Token& tok)
+{
+        size_t j = 0;
+        for (; p[j] && !isgraph(p[j]); ++j);
+        size_t i = j;
+        tok.p = p+j;
+        if (p[i] == 0) {
+                tok.type = Token::NONE;
+        } else if (p[i] == '=') {
+                ++i;
+                tok.type = Token::ASSIGN;
+        } else if (p[i] == ';') {
+                ++i;
+                tok.type = Token::SEMICOLON;
+        } else if (isalpha(p[i])) {
+                for (++i; isalnum(p[i]); ++i);
+                tok.type = Token::STRING;
+        } else if (isdigit(p[i])) {
+                for (++i; isdigit(p[i]); ++i);
+                if (p[i] == '.') {
+                        for (++i; isdigit(p[i]); ++i);
+                        tok.type = Token::FLOAT;
+                } else if (isalnum(p[i])) {
+                        for (++i; isalnum(p[i]); ++i);
+                        tok.type = Token::STRING;
+                } else {
+                        tok.type = Token::INT;
+                }
+        } else {
+                aError("lexConfig: %c\n", p[i]);
+                for (++i; isgraph(p[i]); ++i);
+                tok.type = Token::ERROR;
+        }
+        tok.len = i - j;
+        for (; p[i] && !isgraph(p[i]); ++i);
+        return p+i;
+}
+
 size_t strncpyEscape(char* dest, const char *source, size_t num)
 {
         if (source == NULL) return 0;