From: John Hodge (sonata) <tpg@mutabah.net>
Date: Fri, 26 Dec 2014 12:05:16 +0000 (+0800)
Subject: Usermode/libunicode - Add C++ wrappers
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=f8cde3fab5eb27ebacf9d76a7ac478a68a36a38b;p=tpg%2Facess2.git

Usermode/libunicode - Add C++ wrappers
---

diff --git a/Usermode/Libraries/libunicode.so_src/include_exp/unicode.h b/Usermode/Libraries/libunicode.so_src/include_exp/unicode.h
index ef0eb56e..6c7e3e4a 100644
--- a/Usermode/Libraries/libunicode.so_src/include_exp/unicode.h
+++ b/Usermode/Libraries/libunicode.so_src/include_exp/unicode.h
@@ -10,6 +10,10 @@
 
 #include <stdint.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * \breif Read a single codepoint from  a UTF-8 stream
  * \return Number of bytes read
@@ -27,5 +31,102 @@ extern int	WriteUTF8(char *buf, uint32_t Val);
 
 static inline int	Unicode_IsPrinting(uint32_t Codepoint) { return 1; }
 
+#ifdef __cplusplus
+}	// extern "C"
+#endif
+
+#ifdef __cplusplus
+#include <iterator>
+
+namespace libunicode {
+
+class utf8iterator:
+	public ::std::iterator< ::std::forward_iterator_tag, uint32_t >
+{
+	const char*	m_curpos;
+	uint32_t	m_curval;
+public:
+	utf8iterator():
+		m_curpos(0)
+	{
+	}
+	utf8iterator(const char *pos):
+		m_curpos(pos)
+	{
+		(*this)++;
+	}
+	utf8iterator(const utf8iterator& other) {
+		m_curpos = other.m_curpos;
+		m_curval = other.m_curval;
+	}
+	utf8iterator& operator=(const utf8iterator& other) {
+		m_curpos = other.m_curpos;
+		m_curval = other.m_curval;
+		return *this;
+	}
+	
+	bool operator== (const utf8iterator& other) {
+		return other.m_curpos == m_curpos;
+	}
+	bool operator!= (const utf8iterator& other) {
+		return other.m_curpos != m_curpos;
+	}
+	utf8iterator& operator++() {
+		m_curpos += ::ReadUTF8(m_curpos, &m_curval);
+		return *this;
+	}
+	utf8iterator operator++(int) {
+		utf8iterator	rv(*this);
+		m_curpos += ::ReadUTF8(m_curpos, &m_curval);
+		return rv;
+	}
+	uint32_t operator*() const {
+		return m_curval;
+	}
+	uint32_t operator->() const {
+		return m_curval;
+	}
+};
+
+class utf8string
+{
+	const char* m_data;
+	size_t	m_len;
+	
+	size_t _strlen(const char*s) {
+		size_t	l = 0;
+		while(*s)	l ++;
+		return l;
+	}
+public:
+	utf8string(const char* c_str):
+		m_data(c_str),
+		m_len(_strlen(c_str))
+	{
+	}
+	utf8string(const char* c_str, size_t len):
+		m_data(c_str),
+		m_len(len)
+	{
+	}
+	utf8string(const ::std::string& str):
+		m_data(str.c_str()),
+		m_len(str.size())
+	{
+	}
+	
+	utf8iterator begin() const {
+		return utf8iterator(m_data);
+	}
+	utf8iterator end() const {
+		return utf8iterator(m_data + m_len);
+	}
+};
+
+
+};
+
+#endif
+
 #endif