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git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1079 0fc631ac-6414-0410-93d0-97cfa31319b6
65 lines
3.1 KiB
Plaintext
65 lines
3.1 KiB
Plaintext
Function: expand_keywords
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--Usage--
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> expand_keywords(some_tagged_string, default_expand: {...}, combine: {...})
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Find [[type:keyword]]s and generate their reminder text.
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The string is searched for keywords, when one is found its reminder text is generated.
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This is done by calling @keyword.reminder(param1:.., param2:..., ...)@.
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Where the @param@s are the matching keyword parameters.
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The it is determined whether the reminder text should be shown.
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This is either because the user explicitly selected it, or when @default_expand(mode: keyword.mode)@ returns true.
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Whether reminder text is shown is stored in a @<kw->@ tag around the keyword.
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! Tag Reminder text Changed by user
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| @"<kw-a>"@ hidden no
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| @"<kw-A>"@ shown no
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| @"<kw-0>"@ hidden yes
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| @"<kw-1>"@ shown yes
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If the reminder text is shown the function @combine@ is called which should combine the reminder text with (in the variable @reminder@) with the keyword and its parameters (in the variable @keyword@).
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For example, in the case of magic:
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> expand_keywords(
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> default_expand: { set.automatic_reminder_text }
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> combine: { "{keyword}<atom-reminder-{mode}> ({reminder})</atom-reminder-{mode}>" }
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> )
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is used. This shows reminder text by default based on a [[type:set]] option, and it combined the keyword as @"keyword (reminder)"@.
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--Parameters--
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! Parameter Type Description
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| @input@ [[type:tagged string]] String to expand keywords in.
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| @condition@ [[type:function]] DOC_MSE_VERSION: since 0.3.7
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When should a keyword be recognized at all?
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| @default_expand@ [[type:function]] Should reminder text be shown by default?
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| @combine@ [[type:function]] How to combine keywords with the reminder text?
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--Arguments--
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The @condition@, @default_expand@ and @combine@ functions will be called for each potential keyword match in the input.
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! Parameter Type Description
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| @param1@, @param2@, ... [[type:tagged string]]* The parameter values.
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| @mode@ [[type:string]] The @mode@ of the keyword.
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| @used_placeholders@ [[type:boolean]] DOC_MSE_VERSION: since 0.3.7
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Is a placeholder used for any of the parameters?
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| @correct_case@ [[type:boolean]] DOC_MSE_VERSION: since 0.3.7
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Is the keyword matched exactly, with the same case?
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| @keyword@ [[type:tagged string]] In @combine@ only: The full keyword text including parameters
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| @reminder@ [[type:string]] In @combine@ only: The expanded reminder text.
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--Examples--
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Assuming a keyword @"mse"@ exists with reminder text @"Magic Set Editor"@ exists.
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> expand_keywords(default_expand: {true}, combine: { keyword + " (= " + reminder + ")" }, "mse is cool")
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> == "<kw-A>mse (= Magic Set Editor) is cool</kw-A>"
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>
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> f := expand_keywords@(default_expand: {true}, combine: { keyword+" (= "+reminder+")" })
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> f("mse is cool") == "<kw-A>mse (= Magic Set Editor) is cool</kw-A>"
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DOC_MSE_VERSION: since 0.3.7
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Keyword matching is case insensitive, to get case sensitive matching use a @condition@ that check for the @correct case@:
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> expand_keywords(..., condition: { correct_case })
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In prior MSE versions matching was always case sensitive.
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