internal string MakeUniqueHeaderID(string strHeaderText, int startOffset, int length)
{
if (!AutoHeadingIDs)
{
return(null);
}
// Extract a pandoc style cleaned header id from the header text
var strBase = SpanFormatter.MakeID(strHeaderText, startOffset, length);
// If nothing left, use "section"
if (string.IsNullOrEmpty(strBase))
{
strBase = "section";
}
// Make sure it's unique by append -n counter
var strWithSuffix = strBase;
var counter = 1;
while (_mUsedHeaderIDs.ContainsKey(strWithSuffix))
{
strWithSuffix = strBase + "-" + counter;
counter++;
}
// Store it
_mUsedHeaderIDs.Add(strWithSuffix, true);
// Return it
return(strWithSuffix);
}
public void RenderLink(Markdown m, StringBuilder sb)
{
var sf = new SpanFormatter(m);
sf.DisableLinks = true;
this.Definition.RenderLink(m, sb, sf.Format(this.LinkText), this.SpecialAttributes);
}
// Constructor
public Markdown()
{
HtmlClassFootnotes = "footnotes";
m_StringBuilder = new StringBuilder();
m_StringScanner = new StringScanner();
m_SpanFormatter = new SpanFormatter(this);
m_LinkDefinitions = new Dictionary <string, LinkDefinition>(StringComparer.CurrentCultureIgnoreCase);
m_Footnotes = new Dictionary <string, Block>();
m_UsedFootnotes = new List <Block>();
m_UsedHeaderIDs = new Dictionary <string, bool>();
}
// Constructor
public Markdown()
{
HtmlClassFootnotes = "footnotes";
m_StringBuilder = new StringBuilder();
m_StringScanner = new StringScanner();
m_SpanFormatter = new SpanFormatter(this);
m_LinkDefinitions = new Dictionary<string, LinkDefinition>(StringComparer.CurrentCultureIgnoreCase);
m_Footnotes = new Dictionary<string, Block>();
m_UsedFootnotes = new List<Block>();
m_UsedHeaderIDs = new Dictionary<string, bool>();
}
// Constructor
public Markdown()
{
HtmlClassFootnotes = "footnotes";
m_StringBuilder = new StringBuilder();
m_StringBuilderFinal = new StringBuilder();
m_StringScanner = new StringScanner();
m_SpanFormatter = new SpanFormatter(this);
m_LinkDefinitions = new Dictionary<string, LinkDefinition>(StringComparer.CurrentCultureIgnoreCase);
m_Footnotes = new Dictionary<string, Block>();
m_UsedFootnotes = new List<Block>();
m_UsedHeaderIDs = new Dictionary<string, bool>();
this.CreatedH2IdCollector = new List<Tuple<string, string>>();
_tabIdCounter = 0;
}
// Constructor
public Markdown()
{
HtmlClassFootnotes = "footnotes";
m_StringBuilder = new StringBuilder();
m_StringBuilderFinal = new StringBuilder();
m_StringScanner = new StringScanner();
m_SpanFormatter = new SpanFormatter(this);
m_LinkDefinitions = new Dictionary <string, LinkDefinition>(StringComparer.CurrentCultureIgnoreCase);
m_Footnotes = new Dictionary <string, Block>();
m_UsedFootnotes = new List <Block>();
m_UsedHeaderIDs = new Dictionary <string, bool>();
this.CreatedH2IdCollector = new List <Tuple <string, string> >();
_tabIdCounter = 0;
}
// Constructor
public Markdown()
{
HtmlClassFootnotes = "footnotes";
m_StringBuilder = new StringBuilder();
m_StringBuilderFinal = new StringBuilder();
m_StringScanner = new StringScanner();
m_SpanFormatter = new SpanFormatter(this);
m_LinkDefinitions = new Dictionary <string, LinkDefinition>(StringComparer.CurrentCultureIgnoreCase);
m_Footnotes = new Dictionary <string, Block>();
m_UsedFootnotes = new List <Block>();
m_UsedHeaderIDs = new Dictionary <string, bool>();
m_FoundLinks = new List <ILinkInfo>();
EncodeUnsafeHtml = true;
ActiveRenderer = new Formats.RenderToHtml();
}
public void SetUp()
{
m = new Markdown();
s = new SpanFormatter(m);
}
// Process [link] and ![image] directives
Token ProcessLinkOrImageOrFootnote()
{
// Link or image?
TokenType token_type = SkipChar('!') ? TokenType.img : TokenType.link;
// Opening '['
if (!SkipChar('['))
{
return(null);
}
// Is it a foonote?
var savepos = position;
if (m_Markdown.ExtraMode && token_type == TokenType.link && SkipChar('^'))
{
SkipLinespace();
// Parse it
string id;
if (SkipFootnoteID(out id) && SkipChar(']'))
{
// Look it up and create footnote reference token
int footnote_index = m_Markdown.ClaimFootnote(id);
if (footnote_index >= 0)
{
// Yes it's a footnote
return(CreateToken(TokenType.footnote, new FootnoteReference(footnote_index, id)));
}
}
// Rewind
position = savepos;
}
if (DisableLinks)
{
return(null);
}
bool ExtraMode = m_Markdown.ExtraMode;
// Find the closing square bracket, allowing for nesting, watching for
// escapable characters
Mark();
int depth = 1;
while (!eof)
{
char ch = current;
if (ch == '[')
{
depth++;
}
else if (ch == ']')
{
depth--;
if (depth == 0)
{
break;
}
}
this.SkipEscapableChar(ExtraMode);
}
// Quit if end
if (eof)
{
return(null);
}
// Get the link text and unescape it
string link_text = Utils.UnescapeString(Extract(), ExtraMode);
// @kamranayub: Nested images
SpanFormatter nestedFormatter = new SpanFormatter(this.m_Markdown);
if (link_text.Length > 2 &&
link_text.IndexOf('!') == 0 &&
link_text.IndexOf('[') == 1)
{
link_text = nestedFormatter.Format(link_text);
}
// The closing ']'
SkipForward(1);
// Save position in case we need to rewind
savepos = position;
// Inline links must follow immediately
if (SkipChar('('))
{
// Extract the url and title
var link_def = LinkDefinition.ParseLinkTarget(this, null, m_Markdown.ExtraMode);
if (link_def == null)
{
return(null);
}
// Closing ')'
SkipWhitespace();
if (!SkipChar(')'))
{
return(null);
}
// Create the token
return(CreateToken(token_type, new LinkInfo(link_def, link_text)));
}
// Optional space or tab
if (!SkipChar(' '))
{
SkipChar('\t');
}
// If there's line end, we're allow it and as must line space as we want
// before the link id.
if (eol)
{
SkipEol();
SkipLinespace();
}
// Reference link?
string link_id = null;
if (current == '[')
{
// Skip the opening '['
SkipForward(1);
// Find the start/end of the id
Mark();
if (!Find(']'))
{
return(null);
}
// Extract the id
link_id = Extract();
// Skip closing ']'
SkipForward(1);
}
else
{
// Rewind to just after the closing ']'
position = savepos;
}
// Link id not specified?
if (string.IsNullOrEmpty(link_id))
{
// Use the link text (implicit reference link)
link_id = Utils.NormalizeLineEnds(link_text);
// If the link text has carriage returns, normalize
// to spaces
if (!object.ReferenceEquals(link_id, link_text))
{
while (link_id.Contains(" \n"))
{
link_id = link_id.Replace(" \n", "\n");
}
link_id = link_id.Replace("\n", " ");
}
}
// Find the link definition abort if not defined
var def = m_Markdown.GetLinkDefinition(link_id);
if (def == null)
{
return(null);
}
// Create a token
return(CreateToken(token_type, new LinkInfo(def, link_text)));
}
public void RenderLink(Markdown m, StringBuilder sb)
{
var sf = new SpanFormatter(m);
sf.DisableLinks = true;
this.Definition.RenderLink(m, sb, sf.Format(this.LinkText), this.SpecialAttributes);
}
public void SetUp()
{
f = new SpanFormatter(new Markdown());
}
// Render a list of tokens to a destinatino string builder.
private void Render(StringBuilder sb, string str)
{
foreach (Token t in m_Tokens)
{
switch (t.type)
{
case TokenType.Text:
// Append encoded text
m_Markdown.HtmlEncode(sb, str, t.startOffset, t.length);
break;
case TokenType.HtmlTag:
// Append html as is
Utils.SmartHtmlEncodeAmps(sb, str, t.startOffset, t.length);
break;
case TokenType.Html:
case TokenType.opening_mark:
case TokenType.closing_mark:
case TokenType.internal_mark:
// Append html as is
sb.Append(str, t.startOffset, t.length);
break;
case TokenType.br:
sb.Append("<br />\n");
break;
case TokenType.open_em:
sb.Append("<em>");
break;
case TokenType.close_em:
sb.Append("</em>");
break;
case TokenType.open_strong:
sb.Append("<strong>");
break;
case TokenType.close_strong:
sb.Append("</strong>");
break;
case TokenType.code_span:
sb.Append("<code>");
m_Markdown.HtmlEncode(sb, str, t.startOffset, t.length);
sb.Append("</code>");
break;
case TokenType.link:
{
LinkInfo li = (LinkInfo)t.data;
var sf = new SpanFormatter(m_Markdown);
sf.DisableLinks = true;
li.def.RenderLink(m_Markdown, sb, sf.Format(li.link_text));
break;
}
case TokenType.img:
{
LinkInfo li = (LinkInfo)t.data;
li.def.RenderImg(m_Markdown, sb, li.link_text);
break;
}
case TokenType.footnote:
{
FootnoteReference r=(FootnoteReference)t.data;
sb.Append("<sup id=\"fnref:");
sb.Append(r.id);
sb.Append("\"><a href=\"#fn:");
sb.Append(r.id);
sb.Append("\" rel=\"footnote\">");
sb.Append(r.index + 1);
sb.Append("</a></sup>");
break;
}
case TokenType.abbreviation:
{
Abbreviation a = (Abbreviation)t.data;
sb.Append("<abbr");
if (!String.IsNullOrEmpty(a.Title))
{
sb.Append(" title=\"");
m_Markdown.HtmlEncode(sb, a.Title, 0, a.Title.Length);
sb.Append("\"");
}
sb.Append(">");
m_Markdown.HtmlEncode(sb, a.Abbr, 0, a.Abbr.Length);
sb.Append("</abbr>");
break;
}
}
FreeToken(t);
}
}
public void combined_18()
{
var fExtra = new SpanFormatter(new Markdown() { ExtraMode = true });
Assert.AreEqual("<em>Emphasis</em>, trailing",
fExtra.Format("_Emphasis_, trailing"));
}
public void combined_17()
{
var fExtra = new SpanFormatter(new Markdown() { ExtraMode = true });
Assert.AreEqual("<strong>Bold</strong> <em>Italic</em>",
fExtra.Format("__Bold__ _Italic_"));
}
// Process [link] and ![image] directives
Token ProcessLinkOrImageOrFootnote()
{
// Link or image?
TokenType token_type = SkipChar('!') ? TokenType.img : TokenType.link;
// Opening '['
if (!SkipChar('['))
return null;
// Is it a foonote?
var savepos=position;
if (m_Markdown.ExtraMode && token_type==TokenType.link && SkipChar('^'))
{
SkipLinespace();
// Parse it
string id;
if (SkipFootnoteID(out id) && SkipChar(']'))
{
// Look it up and create footnote reference token
int footnote_index = m_Markdown.ClaimFootnote(id);
if (footnote_index >= 0)
{
// Yes it's a footnote
return CreateToken(TokenType.footnote, new FootnoteReference(footnote_index, id));
}
}
// Rewind
position = savepos;
}
if (DisableLinks)
return null;
bool ExtraMode = m_Markdown.ExtraMode;
// Find the closing square bracket, allowing for nesting, watching for
// escapable characters
Mark();
int depth = 1;
while (!eof)
{
char ch = current;
if (ch == '[')
{
depth++;
}
else if (ch == ']')
{
depth--;
if (depth == 0)
break;
}
this.SkipEscapableChar(ExtraMode);
}
// Quit if end
if (eof)
return null;
// Get the link text and unescape it
string link_text = Utils.UnescapeString(Extract(), ExtraMode);
// @kamranayub: Nested images
SpanFormatter nestedFormatter = new SpanFormatter(this.m_Markdown);
if (link_text.Length > 2 &&
link_text.IndexOf('!') == 0 &&
link_text.IndexOf('[') == 1) {
link_text = nestedFormatter.Format(link_text);
}
// The closing ']'
SkipForward(1);
// Save position in case we need to rewind
savepos = position;
// Inline links must follow immediately
if (SkipChar('('))
{
// Extract the url and title
var link_def = LinkDefinition.ParseLinkTarget(this, null, m_Markdown.ExtraMode);
if (link_def==null)
return null;
// Closing ')'
SkipWhitespace();
if (!SkipChar(')'))
return null;
// Create the token
return CreateToken(token_type, new LinkInfo(link_def, link_text));
}
// Optional space or tab
if (!SkipChar(' '))
SkipChar('\t');
// If there's line end, we're allow it and as must line space as we want
// before the link id.
if (eol)
{
SkipEol();
SkipLinespace();
}
// Reference link?
string link_id = null;
if (current == '[')
{
// Skip the opening '['
SkipForward(1);
// Find the start/end of the id
Mark();
if (!Find(']'))
return null;
// Extract the id
link_id = Extract();
// Skip closing ']'
SkipForward(1);
}
else
{
// Rewind to just after the closing ']'
position = savepos;
}
// Link id not specified?
if (string.IsNullOrEmpty(link_id))
{
// Use the link text (implicit reference link)
link_id = Utils.NormalizeLineEnds(link_text);
// If the link text has carriage returns, normalize
// to spaces
if (!object.ReferenceEquals(link_id, link_text))
{
while (link_id.Contains(" \n"))
link_id = link_id.Replace(" \n", "\n");
link_id = link_id.Replace("\n", " ");
}
}
// Find the link definition abort if not defined
var def = m_Markdown.GetLinkDefinition(link_id);
if (def == null)
return null;
// Create a token
return CreateToken(token_type, new LinkInfo(def, link_text));
}
// Render a list of tokens to a destinatino string builder.
private void Render(StringBuilder sb, string str)
{
foreach (Token t in m_Tokens)
{
switch (t.type)
{
case TokenType.Text:
// Append encoded text
m_Markdown.HtmlEncode(sb, str, t.startOffset, t.length);
break;
case TokenType.HtmlTag:
// Append html as is
Utils.SmartHtmlEncodeAmps(sb, str, t.startOffset, t.length);
break;
case TokenType.Html:
case TokenType.opening_mark:
case TokenType.closing_mark:
case TokenType.internal_mark:
// Append html as is
sb.Append(str, t.startOffset, t.length);
break;
case TokenType.br:
sb.Append("<br />\n");
break;
case TokenType.open_em:
sb.Append("<em>");
break;
case TokenType.close_em:
sb.Append("</em>");
break;
case TokenType.open_strong:
sb.Append("<strong>");
break;
case TokenType.close_strong:
sb.Append("</strong>");
break;
case TokenType.code_span:
sb.Append("<code>");
m_Markdown.HtmlEncode(sb, str, t.startOffset, t.length);
sb.Append("</code>");
break;
case TokenType.link:
{
LinkInfo li = (LinkInfo)t.data;
var sf = new SpanFormatter(m_Markdown);
sf.DisableLinks = true;
li.def.RenderLink(m_Markdown, sb, sf.Format(li.link_text));
break;
}
case TokenType.img:
{
LinkInfo li = (LinkInfo)t.data;
li.def.RenderImg(m_Markdown, sb, li.link_text);
break;
}
case TokenType.footnote:
{
FootnoteReference r = (FootnoteReference)t.data;
sb.Append("<sup id=\"fnref:");
sb.Append(r.id);
sb.Append("\"><a href=\"#fn:");
sb.Append(r.id);
sb.Append("\" rel=\"footnote\">");
sb.Append(r.index + 1);
sb.Append("</a></sup>");
break;
}
case TokenType.abbreviation:
{
Abbreviation a = (Abbreviation)t.data;
sb.Append("<abbr");
if (!String.IsNullOrEmpty(a.Title))
{
sb.Append(" title=\"");
m_Markdown.HtmlEncode(sb, a.Title, 0, a.Title.Length);
sb.Append("\"");
}
sb.Append(">");
m_Markdown.HtmlEncode(sb, a.Abbr, 0, a.Abbr.Length);
sb.Append("</abbr>");
break;
}
}
FreeToken(t);
}
}
// Render a list of tokens to a destinatino string builder.
private void Render(StringBuilder sb, string str)
{
var reg = new Regex("<([^ >]+)");
var tags = new Stack <String>();
foreach (Token t in m_Tokens)
{
switch (t.type)
{
case TokenType.Text:
// Append encoded text
m_Markdown.HtmlEncode(sb, str, t.startOffset, t.length);
break;
case TokenType.HtmlTag:
// Append html as is
var tag = str.Substring(t.startOffset, t.length);
var mtag = reg.Match(tag).Groups[1].Value;
var mtag_l = mtag.ToLower();
if (mtag.StartsWith("/"))
{
while (tags.Count() > 0)
{
var ptag = tags.Pop();
if (ptag.ToLower() == mtag_l)
{
Utils.SmartHtmlEncodeAmps(sb, str, t.startOffset, t.length);
break;
}
else
{
sb.Append("<" + ptag + ">");
}
}
}
else
{
tags.Push("/" + mtag);
Utils.SmartHtmlEncodeAmps(sb, str, t.startOffset, t.length);
}
break;
case TokenType.Html:
case TokenType.opening_mark:
case TokenType.closing_mark:
case TokenType.internal_mark:
// Append html as is
sb.Append(str, t.startOffset, t.length);
break;
case TokenType.br:
sb.Append("<br />\n");
break;
case TokenType.open_em:
sb.Append("<em>");
break;
case TokenType.close_em:
sb.Append("</em>");
break;
case TokenType.open_strong:
sb.Append("<strong>");
break;
case TokenType.close_strong:
sb.Append("</strong>");
break;
case TokenType.code_span:
sb.Append("<code>");
m_Markdown.HtmlEncode(sb, str, t.startOffset, t.length);
sb.Append("</code>");
break;
case TokenType.link:
{
LinkInfo li = (LinkInfo)t.data;
var sf = new SpanFormatter(m_Markdown);
sf.DisableLinks = true;
li.def.RenderLink(m_Markdown, sb, sf.Format(li.link_text));
break;
}
case TokenType.img:
{
LinkInfo li = (LinkInfo)t.data;
li.def.RenderImg(m_Markdown, sb, li.link_text);
break;
}
case TokenType.footnote:
{
FootnoteReference r = (FootnoteReference)t.data;
sb.Append("<sup id=\"fnref:");
sb.Append(r.id);
sb.Append("\"><a href=\"#fn:");
sb.Append(r.id);
sb.Append("\" rel=\"footnote\">");
sb.Append(r.index + 1);
sb.Append("</a></sup>");
break;
}
case TokenType.abbreviation:
{
Abbreviation a = (Abbreviation)t.data;
sb.Append("<abbr");
if (!String.IsNullOrEmpty(a.Title))
{
sb.Append(" title=\"");
m_Markdown.HtmlEncode(sb, a.Title, 0, a.Title.Length);
sb.Append("\"");
}
sb.Append(">");
m_Markdown.HtmlEncode(sb, a.Abbr, 0, a.Abbr.Length);
sb.Append("</abbr>");
break;
}
}
FreeToken(t);
}
while (tags.Count() > 0)
{
sb.Append("<" + tags.Pop() + ">");
}
}
public void InlineLinkWithoutTitleWithSpecialAttributes()
{
var m = GetSetupMarkdown();
m.ExtraMode = true;
var s = new SpanFormatter(m);
Assert.AreEqual("pre <a href=\"url.com\" id=\"foo\" class=\"a b cl\" lang=\"nl\">link text</a> post",
s.Format("pre [link text](url.com){#foo .a .b .cl lang=nl} post"));
}
public void SetUp()
{
_formatter = new SpanFormatter(GetSetupMarkdown());
}
public void InlineImgWithoutTitleWithSpecialAttributes()
{
var m = GetSetupMarkdown();
m.ExtraMode = true;
var s = new SpanFormatter(m);
Assert.AreEqual("pre <img src=\"url.com/image.png\" alt=\"alt text\" id=\"foo\" class=\"a b cl\" lang=\"nl\" /> post",
s.Format("pre {#foo .a .b .cl lang=nl} post"));
}
public void SetUp()
{
m = new Markdown();
m.AddLinkDefinition(new LinkDefinition("link1", "url.com", "title"));
m.AddLinkDefinition(new LinkDefinition("link2", "url.com"));
m.AddLinkDefinition(new LinkDefinition("img1", "url.com/image.png", "title"));
m.AddLinkDefinition(new LinkDefinition("img2", "url.com/image.png"));
s = new SpanFormatter(m);
}
// Render a list of tokens to a destination string builder.
private void Render(StringBuilder sb, string str)
{
foreach (var t in _mTokens)
{
switch (t.Type)
{
case TokenType.Text:
// Append encoded text
_mMarkdown.HtmlEncode(sb, str, t.StartOffset, t.Length);
break;
case TokenType.HtmlTag:
// Append html as is
Utils.SmartHtmlEncodeAmps(sb, str, t.StartOffset, t.Length);
break;
case TokenType.Html:
case TokenType.opening_mark:
case TokenType.closing_mark:
case TokenType.internal_mark:
// Append html as is
sb.Append(str, t.StartOffset, t.Length);
break;
case TokenType.br:
sb.Append("<br />\n");
break;
case TokenType.open_em:
sb.Append("<em>");
break;
case TokenType.close_em:
sb.Append("</em>");
break;
case TokenType.open_strong:
sb.Append("<strong>");
break;
case TokenType.close_strong:
sb.Append("</strong>");
break;
case TokenType.code_span:
sb.Append("<code>");
_mMarkdown.HtmlEncode(sb, str, t.StartOffset, t.Length);
sb.Append("</code>");
break;
case TokenType.link:
{
var li = (LinkInfo)t.Data;
var sf = new SpanFormatter(_mMarkdown)
{
DisableLinks = true
};
li.Def.RenderLink(_mMarkdown, sb, sf.Format(li.LinkText));
break;
}
case TokenType.img:
{
var li = (LinkInfo)t.Data;
li.Def.RenderImg(_mMarkdown, sb, li.LinkText);
break;
}
case TokenType.footnote:
{
var r = (FootnoteReference)t.Data;
// ReSharper disable once StringLiteralTypo
sb.Append("<sup id=\"fnref:");
sb.Append(r.ID);
sb.Append("\"><a href=\"#fn:");
sb.Append(r.ID);
sb.Append("\" rel=\"footnote\">");
sb.Append(r.Index + 1);
sb.Append("</a></sup>");
break;
}
case TokenType.abbreviation:
{
var a = (Abbreviation)t.Data;
sb.Append("<abbr");
if (!string.IsNullOrEmpty(a.Title))
{
sb.Append(" title=\"");
_mMarkdown.HtmlEncode(sb, a.Title, 0, a.Title.Length);
sb.Append("\"");
}
sb.Append(">");
_mMarkdown.HtmlEncode(sb, a.Abbr, 0, a.Abbr.Length);
sb.Append("</abbr>");
break;
}
}
FreeToken(t);
}
}
