public override Span Build(int position, StringRange content, out int lastPosition)
{
var atPosition = content.IndexOf('@', position);
lastPosition = content.IndexOf(' ', atPosition)- 1;
return new UserName(content, atPosition, lastPosition);
}
public override Block Build(int start, StringRange content, out int end)
{
int startOfLine = start;
var items = new List<Item>();
Item lastItem = null;
bool foundItem = false;
do
{
int startOfItem = content.IndexOf(' ', startOfLine) + 1;
int endOfItem = FindEndOfItem(content, startOfItem);
IEnumerable<Span> spans = _inlineParser.Parse(new StringRange(content, startOfItem, endOfItem));
lastItem = new Item(
content,
startOfItem,
endOfItem,
spans);
items.Add(lastItem);
startOfLine = content.StartOfNextLine(endOfItem);
if (startOfLine == -1)
break;
foundItem = _expression.IsMatch(content.Document, startOfLine);
} while (foundItem);
// special case when content ends
end = content.EndOfLine(lastItem.End);
return new List(content, start, end, true, items);
}
public override bool CanBuild(int position, StringRange content)
{
var atPosition = content.IndexOf('@', position);
if (atPosition == -1)
return false;
return true;
}
public void IndexOfAfterEnd()
{
/* given */
const string text = "0123456789";
var stringRange = new StringRange(text, 2, 7);
/* when */
/* then */
stringRange.IndexOf('8').ShouldBeEquivalentTo(-1);
}
public Block Build(int start, StringRange content, out int end)
{
int startOfLine = start;
var items = new List<LinkDefinition>();
do
{
var key = new StringRange(
content,
content.IndexOf('[', startOfLine) + 1,
content.IndexOf(']', startOfLine) - 1);
var urlStart = content.IndexOf(':', key.End) + 1;
if (content[urlStart] == ' ')
urlStart++;
var url = new StringRange(
content,
urlStart,
content.EndOfLine(startOfLine));
var item = new LinkDefinition(
content,
startOfLine,
content.EndOfLine(startOfLine),
key,
url);
items.Add(item);
startOfLine = content.StartOfNextLine(startOfLine);
if (startOfLine == -1)
break;
} while (_expression.IsMatch(content.Document, content.IndexOf('[', startOfLine)));
// special case when content ends
end = startOfLine != -1 ? content.EndOfLine(startOfLine, false) : content.End;
return new LinkDefinitionList(content, start, end, items);
}
public Block Build(int start, StringRange content, out int end)
{
// sample link to gist: https://gist.github.com/pekkah/8304465
int userNameStart = content.IndexOf(".com/") + 5;
int gistIdStart = content.IndexOf('/', userNameStart) + 1;
end = content.EndOfLine(gistIdStart, false);
return new GistBlock(
content,
start,
content.EndOfLine(start),
new StringRange(
content,
userNameStart,
gistIdStart - 2),
new StringRange(
content,
gistIdStart,
content.EndOfLine(gistIdStart)));
}
public override Span Build(int position, StringRange content, out int lastPosition)
{
// update the end position
lastPosition = content.IndexOf(')', position);
var link = new StringRange(content, position, lastPosition);
// title between [ and ]
var title = new StringRange(
content,
link.IndexOf('[') + 1,
link.IndexOf(']') - 1);
// url between ( and )
var url = new StringRange(
content,
link.IndexOf('(') + 1,
link.IndexOf(')') - 1);
return new LinkSpan(content, position, lastPosition, title, url);
}
public void IndexOf()
{
/* given */
const string text = "0123456789";
var stringRange = new StringRange(text, 2, 7);
/* when */
var indexOfFour = stringRange.IndexOf('4');
/* then */
indexOfFour.ShouldBeEquivalentTo(4);
}
public override Span Build(int position, StringRange content, out int lastPosition)
{
// title between [ and ]
var title = new StringRange(
content,
content.IndexOf('[', position) + 1,
content.IndexOf(']', position) - 1);
// key between [ and ] after title
var keyStart = content.IndexOf('[', title.End + 1) + 1;
var keyEnd = content.IndexOf(']', keyStart) - 1;
var key = new StringRange(
content,
keyStart,
keyEnd);
// update last position
lastPosition = key.End + 1;
return new ReferenceLinkSpan(content, position, lastPosition, title, key);
}
public Block Build(int start, StringRange content, out int end)
{
// try reading syntax
StringRange syntax = null;
var endOfStartTag = content.IndexOf("```", start) + 3;
var endOfStartTagLine = content.EndOfLine(endOfStartTag);
if (endOfStartTagLine > endOfStartTag)
{
syntax = new StringRange(content.Document, endOfStartTag, endOfStartTagLine);
}
// start from the actual first line of the content
var contentStart = content.StartOfNextLine(start);
// find the end ``` by skipping the first ```
var contentEnd = content.IndexOf("```", contentStart) - 1;
// skip line ending
end = content.EndOfLine(contentEnd + 1);
// use the content between ``` and ```
return new Codeblock(content, contentStart, contentEnd, syntax);
}
public override Span Build(int position, StringRange content, out int lastPosition)
{
lastPosition = content.IndexOf('`', position + 1);
return new CodeblockSpan(content, position + 1, lastPosition - 1);
}
