1 files changed, 196 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/io/nsEscape.h b/src/libs/xpcom18a4/xpcom/io/nsEscape.h
new file mode 100644
index 00000000..aaf56738
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/io/nsEscape.h
@@ -0,0 +1,196 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*	First checked in on 98/12/03 by John R. McMullen, derived from net.h/mkparse.c. */
+
+#ifndef _ESCAPE_H_
+#define _ESCAPE_H_
+
+#include "prtypes.h"
+#include "nscore.h"
+#include "nsError.h"
+#include "nsString.h"
+
+#ifdef VBOX_WITH_XPCOM_NAMESPACE_CLEANUP
+#define nsEscape VBoxNsxpnsEscape
+#define nsUnescape VBoxNsxpnsUnescape
+#define nsUnescapeCount VBoxNsxpnsUnescapeCount
+#define nsEscapeHTML VBoxNsxpnsEscapeHTML
+#define nsEscapeHTML2 VBoxNsxpnsEscapeHTML2
+#endif /* VBOX_WITH_XPCOM_NAMESPACE_CLEANUP */
+
+/**
+ * Valid mask values for nsEscape
+ */
+typedef enum {
+	url_XAlphas   = PR_BIT(0) /**< Normal escape - leave alphas intact, escape the rest */
+,	url_XPAlphas  = PR_BIT(1) /**< As url_XAlphas, but convert spaces (0x20) to '+' and plus to %2B */
+,	url_Path      = PR_BIT(2) /**< As url_XAlphas, but don't escape slash ('/') */
+} nsEscapeMask;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Escape the given string according to mask
+ * @param str The string to escape
+ * @param mask How to escape the string
+ * @return A newly allocated escaped string that must be free'd with
+ *         nsCRT::free, or null on failure
+ */
+NS_COM char * nsEscape(const char * str, nsEscapeMask mask);
+
+NS_COM char * nsUnescape(char * str);
+	/* decode % escaped hex codes into character values,
+	 * modifies the parameter, returns the same buffer
+	 */
+
+NS_COM PRInt32 nsUnescapeCount (char * str);
+	/* decode % escaped hex codes into character values,
+	 * modifies the parameter buffer, returns the length of the result
+	 * (result may contain \0's).
+	 */
+
+NS_COM char *
+nsEscapeHTML(const char * string);
+
+NS_COM PRUnichar *
+nsEscapeHTML2(const PRUnichar *aSourceBuffer,
+              PRInt32 aSourceBufferLen = -1);
+ /*
+  * Escape problem char's for HTML display 
+  */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+/**
+ * NS_EscapeURL/NS_UnescapeURL constants for |flags| parameter:
+ */
+enum EscapeMask {
+  /** url components **/
+  esc_Scheme         = PR_BIT(0),
+  esc_Username       = PR_BIT(1),
+  esc_Password       = PR_BIT(2),
+  esc_Host           = PR_BIT(3),
+  esc_Directory      = PR_BIT(4),
+  esc_FileBaseName   = PR_BIT(5),
+  esc_FileExtension  = PR_BIT(6),
+  esc_FilePath       = esc_Directory | esc_FileBaseName | esc_FileExtension,
+  esc_Param          = PR_BIT(7),
+  esc_Query          = PR_BIT(8),
+  esc_Ref            = PR_BIT(9),
+  /** special flags **/
+  esc_Minimal        = esc_Scheme | esc_Username | esc_Password | esc_Host | esc_FilePath | esc_Param | esc_Query | esc_Ref, 
+  esc_Forced         = PR_BIT(10), /* forces escaping of existing escape sequences */
+  esc_OnlyASCII      = PR_BIT(11), /* causes non-ascii octets to be skipped */
+  esc_OnlyNonASCII   = PR_BIT(12), /* causes _graphic_ ascii octets (0x20-0x7E) 
+                                    * to be skipped when escaping. causes all
+                                    * ascii octets to be skipped when unescaping */
+  esc_AlwaysCopy     = PR_BIT(13), /* copy input to result buf even if escaping is unnecessary */
+  esc_Colon          = PR_BIT(14), /* forces escape of colon */
+  esc_SkipControl    = PR_BIT(15)  /* skips C0 and DEL from unescaping */
+};
+
+/**
+ * NS_EscapeURL
+ *
+ * Escapes invalid char's in an URL segment.  Has no side-effect if the URL
+ * segment is already escaped.  Otherwise, the escaped URL segment is appended
+ * to |result|.
+ *
+ * @param  str     url segment string
+ * @param  len     url segment string length (-1 if unknown)
+ * @param  flags   url segment type flag
+ * @param  result  result buffer, untouched if part is already escaped
+ *
+ * @return TRUE if escaping was performed, FALSE otherwise.
+ */
+NS_COM PRBool NS_EscapeURL(const char *str,
+                           PRInt32 len,
+                           PRInt16 flags,
+                           nsACString &result);
+
+/**
+ * Expands URL escape sequences... beware embedded null bytes!
+ *
+ * @param  str     url string to unescape
+ * @param  len     length of |str|
+ * @param  flags   only esc_OnlyNonASCII, esc_SkipControl and esc_AlwaysCopy 
+ *                 are recognized
+ * @param  result  result buffer, untouched if |str| is already unescaped
+ *
+ * @return TRUE if unescaping was performed, FALSE otherwise.
+ */
+NS_COM PRBool NS_UnescapeURL(const char *str,
+                             PRInt32 len,
+                             PRInt16 flags,
+                             nsACString &result);
+
+/** returns resultant string length **/
+inline PRInt32 NS_UnescapeURL(char *str) { return nsUnescapeCount(str); }
+
+/**
+ * string friendly versions...
+ */
+inline const nsACString &
+NS_EscapeURL(const nsASingleFragmentCString &part, PRInt16 partType, nsACString &result) {
+    const char *temp;
+    if (NS_EscapeURL(part.BeginReading(temp), part.Length(), partType, result))
+        return result;
+    return part;
+}
+inline const nsACString &
+NS_UnescapeURL(const nsASingleFragmentCString &str, PRInt16 flags, nsACString &result) {
+    const char *temp;
+    if (NS_UnescapeURL(str.BeginReading(temp), str.Length(), flags, result))
+        return result;
+    return str;
+}
+// inline unescape
+inline nsAFlatCString &
+NS_UnescapeURL(nsAFlatCString &str)
+{
+    str.SetLength(nsUnescapeCount(str.BeginWriting()));
+    return str;
+}
+
+#endif //  _ESCAPE_H_