1 files changed, 62 insertions, 0 deletions
diff --git a/include/str.h b/include/str.h
new file mode 100644
index 0000000..c728bf0
--- /dev/null
+++ b/include/str.h
@@ -0,0 +1,62 @@
+#pragma once
+
+typedef byte* string;
+
+typedef struct str·Hdr
+{
+    vlong len;
+    vlong cap;
+    byte  buf[];
+} str·Hdr;
+
+// -------------------------------------------------------------------------
+// UTF-8 functions.
+// Perhaps break into own unit
+// TODO: Add to(upper|lower|title)
+
+typedef uint32 Rune;
+
+enum
+{
+    UTFmax    = 4,
+    RuneSync  = 0x80,
+    RuneSelf  = 0x80,
+    RuneErr   = 0xFFFD,
+    RuneMax   = 0x10FFFF,
+};
+
+int     utf8·FullRune(byte* s, int n);
+byte   *utf8·FindRune(byte* s, long i);
+int     utf8·CharToRune(Rune *r, byte* s);
+int     utf8·RuneToChar(byte* s, Rune* r);
+int     utf8·Len(byte* s);
+int     utf8·RuneLen(Rune r);
+int     utf8·IsLetter(Rune r);
+int     utf8·IsDigit(Rune r);
+int     utf8·IsSpace(Rune r);
+int     utf8·IsTitle(Rune r);
+
+// -------------------------------------------------------------------------
+// Dynamic string functions
+
+string  str·NewCap(const byte* s, vlong len, vlong cap);
+string  str·NewLen(const byte* s, vlong len);
+string  str·New(const byte* s);
+string  str·Newf(const byte* fmt, ...);
+void    str·Free(string s);
+int     str·Len(const string s);
+int     str·Cap(const string s);
+string  str·Clear(string s);
+string  str·Grow(string s, vlong delta);
+string  str·Fit(string s);
+string  str·AppendCount(string s, const byte* b, vlong len);
+string  str·Append(string s, const byte* b);
+string  str·Appendf(string s, const byte* fmt, ...);
+string  str·AppendByte(string s, const byte b);
+bool    str·Equals(const string s, const string t);
+int     str·Find(string s, const byte* substr);
+void    str·Lower(string s);
+void    str·Upper(string s);
+void    str·Replace(string s, const byte* from, const byte* to);
+string* str·Split(string s, const byte* tok);
+string  str·Join(byte** fields, vlong numFields, const byte* sep);