/// <summary>
/// Derive the structure of a Wikimedia page by its sections, subsections, and down the hierarchy.
/// </summary>
/// <param name="title">The title of the section being parsed</param>
/// <param name="markup">The Wikimedia markup to be parsed</param>
/// <param name="level">The numeric level of the hierarchy (eg, "==History==" is at the second level)</param>
/// <returns>A tree of WikiSections</returns>
internal WikiSection ParseSection(string title, string markup, int level = 2 /* language starts at two dashes (eg, '==English==') */)
{
const string RawPattern = "^={{{0}}}([^=]+?)={{{0}}}[\r\n]+";
var pattern = string.Format(RawPattern, level);
var matches = Regex.Matches(markup, pattern, RegexOptions.Multiline);
if (matches.Count == 0)
{
return(new WikiSection
{
SectionName = title,
Content = markup,
SubSections = new List <WikiSection>()
});
}
var section = new WikiSection
{
SectionName = title,
SubSections = new List <WikiSection>()
};
if (matches[0].Index > 0)
{
section.Content = markup.Substring(0, matches[0].Index);
}
for (var i = 0; i < matches.Count; i++)
{
var subsectionName = matches[i].Groups[1].Value;
var contentStartIndex = matches[i].Length + matches[i].Index;
var subsectionContent = i == matches.Count - 1
? markup.Substring(contentStartIndex) // last match, just take everything else
: markup.Substring(contentStartIndex, matches[i + 1].Index - contentStartIndex); // take everything from this match (after the heading) to the beginning of the next match
section.SubSections.Add(ParseSection(subsectionName, subsectionContent, level + 1));
}
return(section);
}
/// <summary>
/// Derive the structure of a Wikimedia page by its sections, subsections, and down the hierarchy.
/// </summary>
/// <param name="title">The title of the section being parsed</param>
/// <param name="markup">The Wikimedia markup to be parsed</param>
/// <param name="level">The numeric level of the hierarchy (eg, "==History==" is at the second level)</param>
/// <returns>A tree of WikiSections</returns>
internal WikiSection ParseSection(string title, string markup, int level = 2 /* language starts at two dashes (eg, '==English==') */ )
{
const string RawPattern = "^={{{0}}}([^=]+?)={{{0}}}[\r\n]+";
var pattern = string.Format(RawPattern, level);
var matches = Regex.Matches(markup, pattern, RegexOptions.Multiline);
if (matches.Count == 0)
{
return new WikiSection
{
SectionName = title,
Content = markup,
SubSections = new List<WikiSection>()
};
}
var section = new WikiSection
{
SectionName = title,
SubSections = new List<WikiSection>()
};
if (matches[0].Index > 0)
{
section.Content = markup.Substring(0, matches[0].Index);
}
for (var i = 0; i < matches.Count; i++)
{
var subsectionName = matches[i].Groups[1].Value;
var contentStartIndex = matches[i].Length + matches[i].Index;
var subsectionContent = i == matches.Count - 1
? markup.Substring(contentStartIndex) // last match, just take everything else
: markup.Substring(contentStartIndex, matches[i + 1].Index - contentStartIndex); // take everything from this match (after the heading) to the beginning of the next match
section.SubSections.Add(ParseSection(subsectionName, subsectionContent, level + 1));
}
return section;
}