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92 lines
4.6 KiB
Plaintext
92 lines
4.6 KiB
Plaintext
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Architecture: NDMarkup
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_______________________________________________________________________________
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A markup format used by the parser, both internally and in <NaturalDocs::Parser::ParsedTopic> objects. Text formatted in
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NDMarkup will only have the tags documented below.
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About: Top-Level Tags
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All content will be surrounded by one of the top-level tags. These tags will not appear within each other.
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<p></p> - Surrounds a paragraph. Paragraph breaks will replace double line breaks, and single line breaks will
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be removed completely.
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<code></code> - Surrounds code or text diagrams that should appear literally in the output.
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<h></h> - Surrounds a heading.
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<ul></ul> - Surrounds a bulleted (unordered) list.
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<dl></dl> - Surrounds a description list, which is what you are reading.
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<img mode="inline" target="" original=""> - An inline image. Target contains the image target, and original contains the
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original text in case it doesn't resolve.
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About: List Item Tags
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These tags will only appear within their respective lists.
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<li></li> - Surrounds a bulleted list item.
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<de></de> - Surrounds a description list entry, which is the left side. It will always be followed by a description list
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description.
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<ds></ds> - Surrounds a description list symbol. This is the same as a description list entry, except that the content
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is also a referenceable symbol. This occurs when inside a list topic. This tag will always
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be followed by a description list description.
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<dd></dd> - Surrounds a description list description, which is the right side. It will always be preceded by a description
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list entry or symbol.
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About: Text Tags
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These tags will only appear in paragraphs, headings, or description list descriptions.
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<b></b> - Bold
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<i></i> - Italics
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<u></u> - Underline
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<link target="" name="" original=""> - Surrounds a potential link to a symbol; potential because the target is not guaranteed to
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exist. This tag merely designates an attempted link. Target is what is attempting to be
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linked to, name is the text that should appear for a successful link, and original is the
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original text in case the link doesn't resolve.
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<url target="" name=""> - An external link. There's no need for an original attribute because it will always be
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turned into an actual link.
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<email target="" name=""> - A link to an e-mail address.
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<img mode="link" target="" original=""> - An image link. Target contains the image target, and original contains the original
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text in case it doesn't resolve.
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About: Amp Chars
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These are the only amp chars supported, and will appear everywhere. Every other character will appear as is.
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& - The ampersand &.
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" - The double quote ".
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< - The less than sign <.
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> - The greater than sign >.
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About: Tabs
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NDMarkup will not contain tab characters, only spaces. Any tab characters appearing in the source files will be
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expanded/replaced as necessary.
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About: General Tag Properties
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Since the tags are generated, they will always have the following properties, which will make pattern matching much
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easier.
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- Tags and amp chars will always be in all lowercase.
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- Properties will appear exactly as documented here. They will be in all lowercase, in the documented order, and will have no
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extraneous whitespace. Anything appearing in the properties will have amp chars.
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- All code is valid, meaning tags will always be closed, <li>s will only appear within <ul>s, etc.
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So, for example, you can match description list entries with /<de>(.+?)<\/de>/ and $1 will be the text. No surprises or
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gotchas. No need for sophisticated parsing routines.
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Remember that for symbol definitions, the text should appear as is, but internally (such as for the anchor) they need to
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be passed through <NaturalDocs::SymbolTable->Defines()> so that the output file is just as tolerant as
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<NaturalDocs::SymbolTable>.
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