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/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
Description: Currently only functions to enhance plain text with HTML tags.
<p>
Wrapper class for various parsing routines, that convert plain text to HTML.
They try to recognize cites, URLs, plain text formattting like *bold* etc.
See <http://www.bucksch.org/1/projects/mozilla/16507/> for a description.
*/
#include "nsIStreamConverter.idl"
%{C++
// {77c0e42a-1dd2-11b2-8ebf-edc6606f2f4b}
#define MOZITXTTOHTMLCONV_CID \
{ 0x77c0e42a, 0x1dd2, 0x11b2, \
{ 0x8e, 0xbf, 0xed, 0xc6, 0x60, 0x6f, 0x2f, 0x4b } }
#define MOZ_TXTTOHTMLCONV_CONTRACTID \
"@mozilla.org/txttohtmlconv;1"
%}
[scriptable, uuid(77c0e42a-1dd2-11b2-8ebf-edc6606f2f4b)]
interface mozITXTToHTMLConv : nsIStreamConverter {
const unsigned long kEntities = 0; // just convert < & > to < & and >
const unsigned long kURLs = 1 << 1;
const unsigned long kGlyphSubstitution = 1 << 2; // Smilies, ® etc.
const unsigned long kStructPhrase = 1 << 3; // E.g. *bold* -> <strong>
/**
@param text: plain text to scan. May be a line, paragraph (recommended)
or just a substring.<p>
Must be non-escaped, pure unicode.<p>
<em>Note:</em> ScanTXT(a, o) + ScanTXT(b, o) may be !=
Scan(a + b, o)
@param whattodo: Bitfield describing the modes of operation
@result "<", ">" and "&" are escaped and HTML tags are inserted where
appropriate.
*/
AString scanTXT(in AString text, in unsigned long whattodo);
/**
Adds additional formatting to user edited text, that the user was too lazy
or "unknowledged" (DELETEME: is that a word?) to make.
<p>
<em>Note:</em> Don't use kGlyphSubstitution with this function. This option
generates tags, that are unuseable for UAs other than Mozilla. This would
be a data loss bug.
@param text: HTML source to scan. May be a line, paragraph (recommended)
or just a substring.<p>
Must be correct HTML. "<", ">" and "&" must be escaped,
other chars must be pure unicode.<p>
<em>Note:</em> ScanTXT(a, o) + ScanTXT(b, o) may be !=
Scan(a + b, o)
@param whattodo: Bitfield describing the modes of operation
@result Additional HTML tags are inserted where appropriate.
*/
AString scanHTML(in AString text, in unsigned long whattodo);
/**
@param line: line in original msg, possibly starting starting with
txt quote tags like ">"
@param logLineStart: pos in line, where the real content (logical line)
begins, i.e. pos after all txt quote tags.
E.g. position of "t" in "> > text".
Initial value must be 0, unless line is not real line.
@return Cite Level, i.e. number of txt quote tags found, i.e. number of
nested quotes.
*/
unsigned long citeLevelTXT(in wstring line,
out unsigned long logLineStart);
/**
@param a wide string to scan for the presence of a URL.
@param aLength --> the length of the buffer to be scanned
@param aPos --> the position in the buffer to start scanning for a url
aStartPos --> index into the start of a url (-1 if no url found)
aEndPos --> index of the last character in the url (-1 if no url found)
*/
void findURLInPlaintext(in wstring text, in long aLength, in long aPos, out long aStartPos, out long aEndPos);
};
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