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authorKUDr <kudr@openttd.org>2007-06-29 22:33:58 +0000
committerKUDr <kudr@openttd.org>2007-06-29 22:33:58 +0000
commit91d6051adb8c17c1dd31566c48f4488340091359 (patch)
tree05c020d765378972c69181ebdfd0f977b7473b46 /src
parent3269660c4f6637c0629941c39274d9405bf83ef3 (diff)
downloadopenttd-91d6051adb8c17c1dd31566c48f4488340091359.tar.xz
(svn r10389) -Add: CStrA, CStrCiA, CStrW, CStrCiW - case sensitive/insensitive ANSI/UNICODE string classes that support formatted (sprintf like) output.
Diffstat (limited to 'src')
-rw-r--r--src/misc/str.hpp175
-rw-r--r--src/misc/strapi.hpp94
2 files changed, 269 insertions, 0 deletions
diff --git a/src/misc/str.hpp b/src/misc/str.hpp
new file mode 100644
index 000000000..72c9a2733
--- /dev/null
+++ b/src/misc/str.hpp
@@ -0,0 +1,175 @@
+/* $Id$ */
+
+/** @file str.hpp */
+
+#ifndef STR_HPP
+#define STR_HPP
+
+#include <errno.h>
+#include <stdarg.h>
+#include "strapi.hpp"
+
+/** Blob based string. */
+template <typename Tchar, bool TcaseInsensitive>
+struct CStrT : public CBlobT<Tchar>
+{
+ typedef CBlobT<Tchar> base; ///< base class
+ typedef CStrApiT<Tchar, TcaseInsensitive> Api; ///< string API abstraction layer
+ typedef typename base::bsize_t bsize_t; ///< size type inherited from blob
+ typedef typename base::OnTransfer OnTransfer; ///< temporary 'transfer ownership' object type
+
+ /** Construction from C zero ended string. */
+ FORCEINLINE CStrT(const Tchar* str = NULL)
+ {
+ AppendStr(str);
+ }
+
+ /** Construction from C string and given number of characters. */
+ FORCEINLINE CStrT(const Tchar* str, bsize_t num_chars) : base(str, num_chars)
+ {
+ base::FixTail();
+ }
+
+ /** Construction from C string determined by 'begin' and 'end' pointers. */
+ FORCEINLINE CStrT(const Tchar* str, const Tchar* end)
+ : base(str, end - str)
+ {
+ base::FixTail();
+ }
+
+ /** Construction from blob contents. */
+ FORCEINLINE CStrT(const CBlobBaseSimple& src)
+ : base(src)
+ {
+ base::FixTail();
+ }
+
+ /** Copy constructor. */
+ FORCEINLINE CStrT(const CStrT& src)
+ : base(src)
+ {
+ base::FixTail();
+ }
+
+ /** Take over ownership constructor */
+ FORCEINLINE CStrT(const OnTransfer& ot)
+ : base(ot)
+ {
+ }
+
+ /** Grow the actual buffer and fix the trailing zero at the end. */
+ FORCEINLINE Tchar* GrowSizeNC(bsize_t count)
+ {
+ Tchar* ret = base::GrowSizeNC(count);
+ base::FixTail();
+ return ret;
+ }
+
+ /** Append zero-ended C string. */
+ FORCEINLINE void AppendStr(const Tchar* str)
+ {
+ if (str != NULL && str[0] != '\0') {
+ base::Append(str, (bsize_t)Api::StrLen(str));
+ base::FixTail();
+ }
+ }
+
+ /** Append another CStrT or blob. */
+ FORCEINLINE void Append(const CBlobBaseSimple& src)
+ {
+ if (src.RawSize() > 0) {
+ base::AppendRaw(src);
+ base::FixTail();
+ }
+ }
+
+ /** Assignment from C string. */
+ FORCEINLINE CStrT& operator = (const Tchar* src)
+ {
+ base::Clear();
+ AppendStr(src);
+ return *this;
+ }
+
+ /** Assignment from another CStrT or blob. */
+ FORCEINLINE CStrT& operator = (const CBlobBaseSimple& src)
+ {
+ base::Clear();
+ base::AppendRaw(src);
+ base::FixTail();
+ return *this;
+ }
+
+ /** Assignment from another CStrT or blob. */
+ FORCEINLINE CStrT& operator = (const CStrT& src)
+ {
+ base::Clear();
+ base::AppendRaw(src);
+ base::FixTail();
+ return *this;
+ }
+
+ /** Lower-than operator (to support stl collections) */
+ FORCEINLINE bool operator < (const CStrT &other) const
+ {
+ return (Api::StrCmp(base::Data(), other.Data()) < 0);
+ }
+
+ /** Add formated string (like vsprintf) at the end of existing contents. */
+ int AddFormatL(const Tchar *format, va_list args)
+ {
+ bsize_t addSize = Api::StrLen(format);
+ if (addSize < 16) addSize = 16;
+ addSize += addSize > 1;
+ int ret, err;
+ do {
+ Tchar *buf = MakeFreeSpace(addSize);
+ ret = Api::SPrintFL(buf, base::GetReserve(), format, args);
+ addSize *= 2;
+ err = errno;
+ } while(ret < 0 && (err == ERANGE || err == ENOENT || err == 0));
+ if (ret > 0) {
+ GrowSizeNC(ret);
+ } else {
+// int err = errno;
+ base::FixTail();
+ }
+ return ret;
+ }
+
+ /** Add formated string (like sprintf) at the end of existing contents. */
+ int AddFormat(const Tchar *format, ...)
+ {
+ va_list args;
+ va_start(args, format);
+ int ret = AddFormatL(format, args);
+ va_end(args);
+ return ret;
+ }
+
+ /** Assign formated string (like vsprintf). */
+ int FormatL(const Tchar *format, va_list args)
+ {
+ base::Free();
+ int ret = AddFormatL(format, args);
+ return ret;
+ }
+
+ /** Assign formated string (like sprintf). */
+ int Format(const Tchar *format, ...)
+ {
+ base::Free();
+ va_list args;
+ va_start(args, format);
+ int ret = AddFormatL(format, args);
+ va_end(args);
+ return ret;
+ }
+};
+
+typedef CStrT<char , false> CStrA; ///< Case sensitive ANSI/UTF-8 string
+typedef CStrT<char , true > CStrCiA; ///< Case insensitive ANSI/UTF-8 string
+typedef CStrT<wchar_t, false> CStrW; ///< Case sensitive unicode string
+typedef CStrT<wchar_t, true > CStrCiW; ///< Case insensitive unicode string
+
+#endif /* STR_HPP */
diff --git a/src/misc/strapi.hpp b/src/misc/strapi.hpp
new file mode 100644
index 000000000..c901af6ea
--- /dev/null
+++ b/src/misc/strapi.hpp
@@ -0,0 +1,94 @@
+/* $Id$ */
+
+/** @file strapi.hpp */
+
+#ifndef STRAPI_HPP
+#define STRAPI_HPP
+
+#include <string.h>
+#include <wchar.h>
+
+#if !defined(_MSC_VER)
+#define _stricmp strcmp
+#define _wcsicmp wcscmp
+#endif //!_MSC_VER
+
+/** String API mapper base - just mapping by character type, not by case sensitivity yet.
+ * Class template CStrApiBaseT declaration is general, but following inline method
+ * definitions are specialized by character type. Class is not used directly, but only
+ * as a base class for template class CStrApiT */
+template <typename Tchar>
+class CStrApiBaseT
+{
+public:
+ /** ::strlen wrapper */
+ static size_t StrLen(const Tchar *s);
+ static int SPrintFL(Tchar *buf, size_t count, const Tchar *fmt, va_list args);
+};
+
+/** ::strlen wrapper specialization for char */
+template <> /*static*/ inline size_t CStrApiBaseT<char>::StrLen(const char *s)
+{
+ return ::strlen(s);
+}
+
+/** ::strlen wrapper specialization for wchar_t */
+template <> /*static*/ inline size_t CStrApiBaseT<wchar_t>::StrLen(const wchar_t *s)
+{
+ return ::wcslen(s);
+}
+
+/** ::vsprintf wrapper specialization for char */
+template <> /*static*/ inline int CStrApiBaseT<char>::SPrintFL(char *buf, size_t count, const char *fmt, va_list args)
+{
+#if defined(_MSC_VER) && (_MSC_VER >= 1400) // VC 8.0 and above
+ return ::vsnprintf_s(buf, count, count - 1, fmt, args);
+#else // ! VC 8.0 and above
+ return ::vsnprintf(buf, count, fmt, args);
+#endif
+}
+
+/** ::vsprintf wrapper specialization for wchar_t */
+template <> /*static*/ inline int CStrApiBaseT<wchar_t>::SPrintFL(wchar_t *buf, size_t count, const wchar_t *fmt, va_list args)
+{
+#if defined(_MSC_VER) && (_MSC_VER >= 1400) // VC 8.0 and above
+ return ::_vsnwprintf_s(buf, count, count - 1, fmt, args);
+#else // ! VC 8.0 and above
+# if defined(_WIN32)
+ return ::_vsnwprintf(buf, count, fmt, args);
+# else // !_WIN32
+ return ::vswprintf(buf, count, fmt, args);
+# endif // !_WIN32
+#endif
+}
+
+
+
+template <typename Tchar, bool TcaseInsensitive>
+class CStrApiT : public CStrApiBaseT<Tchar>
+{
+public:
+ static int StrCmp(const Tchar *s1, const Tchar *s2);
+};
+
+template <> /*static*/ inline int CStrApiT<char, false>::StrCmp(const char *s1, const char *s2)
+{
+ return ::strcmp(s1, s2);
+}
+
+template <> /*static*/ inline int CStrApiT<char, true>::StrCmp(const char *s1, const char *s2)
+{
+ return ::_stricmp(s1, s2);
+}
+
+template <> /*static*/ inline int CStrApiT<wchar_t, false>::StrCmp(const wchar_t *s1, const wchar_t *s2)
+{
+ return ::wcscmp(s1, s2);
+}
+
+template <> /*static*/ inline int CStrApiT<wchar_t, true>::StrCmp(const wchar_t *s1, const wchar_t *s2)
+{
+ return ::_wcsicmp(s1, s2);
+}
+
+#endif /* STRAPI_HPP */