added string reading functions of the Reader class

1 files changed, 24 insertions, 0 deletions

diff --git a/src/core/BufferedCharReader.cpp b/src/core/BufferedCharReader.cpp
index 23c219a..0821a5d 100644
--- a/src/core/BufferedCharReader.cpp
+++ b/src/core/BufferedCharReader.cpp
@@ -18,6 +18,8 @@
 
 #include <array>
 
+#include "Utils.hpp"
+
 #include "BufferedCharReader.hpp"
 
 namespace ousia {
@@ -73,6 +75,15 @@ BufferedCharReader::BufferedCharReader(const std::string &str, int line,
 	buffer.push_back(str);
 }
 
+BufferedCharReader::BufferedCharReader(const std::string &str)
+    : inputStream(nullptr),
+      readCursor(1, 1, true),
+      peekCursor(1, 1, false),
+      depleted(true)
+{
+	buffer.push_back(str);
+}
+
 BufferedCharReader::BufferedCharReader(std::istream &inputStream, int line,
                                        int column)
     : inputStream(&inputStream),
@@ -218,6 +229,19 @@ void BufferedCharReader::consumePeek()
 	readCursor.assign(peekCursor);
 }
 
+bool BufferedCharReader::consumeWhitespace()
+{
+	char c;
+	while (peek(&c)) {
+		if (!Utils::isWhitespace(c)) {
+			resetPeek();
+			return true;
+		}
+		consumePeek();
+	}
+	return false;
+}
+
 void BufferedCharReader::resetPeek()
 {
 	// Reset the peek cursor to the read cursor