diff options
Diffstat (limited to 'mp/src/public/UnicodeFileHelpers.cpp')
| -rw-r--r-- | mp/src/public/UnicodeFileHelpers.cpp | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/mp/src/public/UnicodeFileHelpers.cpp b/mp/src/public/UnicodeFileHelpers.cpp new file mode 100644 index 00000000..57374f15 --- /dev/null +++ b/mp/src/public/UnicodeFileHelpers.cpp @@ -0,0 +1,240 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+//=============================================================================//
+
+#include <stdlib.h>
+#include <ctype.h>
+#include "utlbuffer.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Advances until non-whitespace hit
+//-----------------------------------------------------------------------------
+ucs2 *AdvanceOverWhitespace(ucs2 *Start)
+{
+ while (*Start != 0 && iswspace(*Start))
+ {
+ Start++;
+ }
+
+ return Start;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+ucs2 *ReadUnicodeToken(ucs2 *start, ucs2 *token, int tokenBufferSize, bool "ed)
+{
+ // skip over any whitespace
+ start = AdvanceOverWhitespace(start);
+ quoted = false;
+ *token = 0;
+
+ if (!*start)
+ {
+ return start;
+ }
+
+ // check to see if it's a quoted string
+ if (*start == '\"')
+ {
+ quoted = true;
+ // copy out the string until we hit an end quote
+ start++;
+ int count = 0;
+ while (*start && *start != '\"' && count < tokenBufferSize-1)
+ {
+ // check for special characters
+ if (*start == '\\' && *(start+1) == 'n')
+ {
+ start++;
+ *token = '\n';
+ }
+ else if (*start == '\\' && *(start+1) == '\"')
+ {
+ start++;
+ *token = '\"';
+ }
+ else
+ {
+ *token = *start;
+ }
+
+ start++;
+ token++;
+ count++;
+ }
+
+ if (*start == '\"')
+ {
+ start++;
+ }
+ }
+ else
+ {
+ // copy out the string until we hit a whitespace
+ int count = 0;
+ while (*start && !iswspace(*start) && count < tokenBufferSize-1)
+ {
+ // no checking for special characters if it's not a quoted string
+ *token = *start;
+
+ start++;
+ token++;
+ count++;
+ }
+ }
+
+ *token = 0;
+ return start;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Same as above but no translation of \n
+//-----------------------------------------------------------------------------
+ucs2 *ReadUnicodeTokenNoSpecial(ucs2 *start, ucs2 *token, int tokenBufferSize, bool "ed)
+{
+ // skip over any whitespace
+ start = AdvanceOverWhitespace(start);
+ quoted = false;
+ *token = 0;
+
+ if (!*start)
+ {
+ return start;
+ }
+
+ // check to see if it's a quoted string
+ if (*start == '\"')
+ {
+ quoted = true;
+ // copy out the string until we hit an end quote
+ start++;
+ int count = 0;
+ while (*start && *start != '\"' && count < tokenBufferSize-1)
+ {
+ // check for special characters
+ /*
+ if (*start == '\\' && *(start+1) == 'n')
+ {
+ start++;
+ *token = '\n';
+ }
+ else
+ */
+ if (*start == '\\' && *(start+1) == '\"')
+ {
+ start++;
+ *token = '\"';
+ }
+ else
+ {
+ *token = *start;
+ }
+
+ start++;
+ token++;
+ count++;
+ }
+
+ if (*start == '\"')
+ {
+ start++;
+ }
+ }
+ else
+ {
+ // copy out the string until we hit a whitespace
+ int count = 0;
+ while (*start && !iswspace(*start) && count < tokenBufferSize-1)
+ {
+ // no checking for special characters if it's not a quoted string
+ *token = *start;
+
+ start++;
+ token++;
+ count++;
+ }
+ }
+
+ *token = 0;
+ return start;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns the first character after the next EOL characters
+//-----------------------------------------------------------------------------
+ucs2 *ReadToEndOfLine(ucs2 *start)
+{
+ if (!*start)
+ return start;
+
+ while (*start)
+ {
+ if (*start == 0x0D || *start== 0x0A)
+ break;
+ start++;
+ }
+
+ while (*start == 0x0D || *start== 0x0A)
+ start++;
+
+ return start;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: file writing
+//-----------------------------------------------------------------------------
+void WriteUnicodeString(CUtlBuffer &buf, const wchar_t *string, bool addQuotes)
+{
+ if (addQuotes)
+ {
+ buf.PutUnsignedShort('\"');
+ }
+
+ for (const wchar_t *ws = string; *ws != 0; ws++)
+ {
+ // handle special characters
+ if (addQuotes && *ws == '\"')
+ {
+ buf.PutUnsignedShort('\\');
+ }
+ // write the character
+ buf.PutUnsignedShort(*ws);
+ }
+
+ if (addQuotes)
+ {
+ buf.PutUnsignedShort('\"');
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: file writing
+//-----------------------------------------------------------------------------
+void WriteAsciiStringAsUnicode(CUtlBuffer &buf, const char *string, bool addQuotes)
+{
+ if (addQuotes)
+ {
+ buf.PutUnsignedShort('\"');
+ }
+
+ for (const char *sz = string; *sz != 0; sz++)
+ {
+ // handle special characters
+ if (addQuotes && *sz == '\"')
+ {
+ buf.PutUnsignedShort('\\');
+ }
+ buf.PutUnsignedShort(*sz);
+ }
+
+ if (addQuotes)
+ {
+ buf.PutUnsignedShort('\"');
+ }
+}
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