From 6ba98a9f9f48e13738d9736cba9c45b5e94f42f2 Mon Sep 17 00:00:00 2001
From: Brian Cully <bjc@kublai.com>
Date: Mon, 14 Apr 2008 21:52:55 -0400
Subject: Initial import

---
 libconfig/Parser.m | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 libconfig/Parser.m

(limited to 'libconfig/Parser.m')

diff --git a/libconfig/Parser.m b/libconfig/Parser.m
new file mode 100644
index 0000000..f95cb3d
--- /dev/null
+++ b/libconfig/Parser.m
@@ -0,0 +1,95 @@
+#include "Parser.h"
+#include "ArrayData.h"
+#include "DictData.h"
+#include "NumData.h"
+#include "StringData.h"
+#include "String.h"
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+@implementation Parser
+-(int)
+getLineLenFrom: (const char *)startAddr to: (const char *)endAddr
+{
+	int len;
+	char quote = '\0';
+	int frenchBraces = 0, squareBraces = 0;
+
+	for (len = 0; startAddr+len < endAddr; len++) {
+		if (!quote && !frenchBraces && !squareBraces &&
+		    *(startAddr+len) == ';')
+			break;
+
+		switch (*(startAddr+len)) {
+		case '{':
+			frenchBraces++;
+			break;
+		case '}':
+			if (!frenchBraces)
+				fprintf(stderr,
+					"WARNING: found `}' without `{'.\n");
+			else
+				frenchBraces--;
+			break;
+		case '[':
+			squareBraces++;
+			break;
+		case ']':
+			if (!squareBraces)
+				fprintf(stderr,
+					"WARNING: found ']' without '['.\n");
+			else
+				squareBraces--;
+			break;
+		case '"':
+			if (!quote)
+				quote = *(startAddr+len);
+			else
+				quote = '\0';
+			break;
+		}
+	}
+
+	return len;
+}
+
+-init
+{
+	return self;
+}
+
+-free
+{
+	return [super free];
+}
+
+-(DataObject *)
+getDataFrom: (String *)dataStr
+{
+	const char *dataBuff;
+	id dataElem;
+
+	dataBuff = [dataStr getStr];
+
+	/* Figure out what type of node to allocate. */
+	switch (dataBuff[0]) {
+	case '{':
+		dataElem = [[DictData new] init];
+		break;
+	case '[':
+		dataElem = [[ArrayData new] init];
+		break;
+	case '"':
+		dataElem = [[StringData new] init];
+		break;
+	default:
+		dataElem = [[NumData new] init];
+		break;
+	}
+
+	return [dataElem setFromBuffer: dataBuff withLength: [dataStr getLen]];
+}
+@end
-- 
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