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< title > Des macros LaTeX pour markdown< / title >
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Des macros LaTeX pour markdown
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< p > < span class = "sc" > < abbr title = "Trop long à lire" > tlàl< / abbr > : < / span > J’ ai fait un système simple de macros pour mon blog. Par exemple, il me suffit d’ écrire %< span > < / span > latex et ça affiche < span style = "text-transform: uppercase" > L< sup style = "vertical-align: 0.15em; margin-left: -0.36em; margin-right: -0.15em; font-size: .85em" > a< / sup > T< sub style = "vertical-align: -0.5ex; margin-left: -0.1667em; margin-right: -0.125em; font-size: 1em" > e< / sub > X< / span > .< / p >
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< p > J’ ai ajouter un système de macro pour mon système de blog.
Lorsqu’ on est habitué à < span style = "text-transform: uppercase" > L< sup style = "vertical-align: 0.15em; margin-left: -0.36em; margin-right: -0.15em; font-size: .85em" > a< / sup > T< sub style = "vertical-align: -0.5ex; margin-left: -0.1667em; margin-right: -0.125em; font-size: 1em" > e< / sub > X< / span > et que l’ on commence à écrire des articles
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un peu conséquent avec des notations mathématiques,
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les macros deviennent vite quelque chose d’ indispensable.< / p >
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< p > Dans l’ entête de mes fichiers j’ écris simplement:< / p >
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< pre class = "twilight" >
< span class = "MetaTagAll" > < span class = "MetaTagInline" > macros< / span > < span class = "MetaTagAll" > :< / span > < / span >
< span class = "MetaTagAll" > < span class = "MetaTagInline" > test< / span > < span class = "MetaTagAll" > :< / span > < / span > < span class = "String" > < span class = "String" > " < / span > This is a macro test< span class = "String" > " < / span > < / span >
< span class = "MetaTagAll" > < span class = "MetaTagInline" > latex< / span > < span class = "MetaTagAll" > :< / span > < / span > < span class = "String" > < span class = "String" > '< / span > < span style=" text-transform: uppercase" > L< sup style=" vertical-align: 0.15em; margin-left: -0.36em; margin-right: -0.15em; font-size: .85em" > a< /sup> T< sub style=" vertical-align: -0.5ex; margin-left: -0.1667em; margin-right: -0.125em; font-size: 1em" > e< /sub> X< /span> < span class = "String" > '< / span > < / span >
< / pre >
< p > Puis dans le corps ça va remplacer :< / p >
< ul >
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< li > %< span > < / span > test par < em > This is a macro test< / em > ;< / li >
< li > et %< span > < / span > latex par < em > < span style = "text-transform: uppercase" > L< sup style = "vertical-align: 0.15em; margin-left: -0.36em; margin-right: -0.15em; font-size: .85em" > a< / sup > T< sub style = "vertical-align: -0.5ex; margin-left: -0.1667em; margin-right: -0.125em; font-size: 1em" > e< / sub > X< / span > < / em > < / li >
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< / ul >
< p > Le code est assez simple.
Pour les utilisateurs de < code > nanoc< / code > il suffit de copier le fichier suivant dans le répertoire < code > lib< / code > . < / p >
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< div class = "code" > < div class = "file" > < a href = "/Scratch/fr/blog/2010-10-26-LaTeX-like-macro-and-markdown/code/macros.rb" > ➥ macros.rb < / a > < / div > < div class = "withfile" >
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< pre class = "twilight" >
< span class = "Comment" > < span class = "Comment" > #< / span > usage:< / span >
< span class = "Comment" > < span class = "Comment" > #< / span > ---< / span >
< span class = "Comment" > < span class = "Comment" > #< / span > ...< / span >
< span class = "Comment" > < span class = "Comment" > #< / span > macros:< / span >
< span class = "Comment" > < span class = "Comment" > #< / span > test: " passed test" < / span >
< span class = "Comment" > < span class = "Comment" > #< / span > ---< / span >
< span class = "Comment" > < span class = "Comment" > #< / span > ...< / span >
< span class = "Comment" > < span class = "Comment" > #< / span > Here is a This is a macro test.< / span >
< span class = "Comment" > < span class = "Comment" > #< / span > < / span >
< span class = "Keyword" > class< / span > < span class = "Entity" > Macros< span class = "EntityInheritedClass" > < span class = "EntityInheritedClass" > < < / span > Nanoc3::Filter< / span > < / span >
identifier < span class = "Constant" > < span class = "Constant" > :< / span > falacy< / span >
< span class = "Keyword" > attr_accessor< / span > < span class = "Constant" > < span class = "Constant" > :< / span > macro< / span >
< span class = "Keyword" > def< / span > < span class = "Entity" > initialize< / span > (< span class = "Variable" > arg< / span > )
< span class = "Keyword" > super< / span >
< span class = "Variable" > < span class = "Variable" > @< / span > macro< / span > < span class = "Keyword" > =< / span > {}
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< span class = "Variable" > < span class = "Variable" > @< / span > macro< / span > [< span class = "Constant" > < span class = "Constant" > :< / span > tlal< / span > ] < span class = "Keyword" > =< / span > < span class = "String" > < span class = "String" > %{< / span > < span class=" sc" > < abbr title=" Trop long à lire" > tlàl< /abbr> : < /span> < span class = "String" > }< / span > < / span >
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< span class = "Variable" > < span class = "Variable" > @< / span > macro< / span > [< span class = "Constant" > < span class = "Constant" > :< / span > tldr< / span > ] < span class = "Keyword" > =< / span > < span class = "String" > < span class = "String" > %{< / span > < span class=" sc" > < abbr title=" Too long; didn't read" > tl;dr< /abbr> : < /span> < span class = "String" > }< / span > < / span >
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< span class = "Keyword" > if< / span > < span class = "Variable" > < span class = "Variable" > @< / span > item< / span > .< span class = "Entity" > nil?< / span >
< span class = "Keyword" > if< / span > < span class = "Keyword" > not< / span > arg.< span class = "Entity" > nil?< / span >
< span class = "Variable" > < span class = "Variable" > @< / span > macro< / span > .< span class = "Entity" > merge!< / span > ( arg )
< span class = "Keyword" > end< / span >
< span class = "Keyword" > else< / span >
< span class = "Keyword" > if< / span > < span class = "Keyword" > not< / span > < span class = "Variable" > < span class = "Variable" > @< / span > item< / span > [< span class = "Constant" > < span class = "Constant" > :< / span > macros< / span > ].< span class = "Entity" > nil?< / span >
< span class = "Variable" > < span class = "Variable" > @< / span > macro< / span > .< span class = "Entity" > merge!< / span > ( < span class = "Variable" > < span class = "Variable" > @< / span > item< / span > [< span class = "Constant" > < span class = "Constant" > :< / span > macros< / span > ] )
< span class = "Keyword" > end< / span >
< span class = "Keyword" > end< / span >
< span class = "Keyword" > end< / span >
< span class = "Keyword" > def< / span > < span class = "Entity" > macro_value_for< / span > (< span class = "Variable" > macro_name< / span > )
< span class = "Keyword" > if< / span > macro_name.< span class = "Entity" > nil?< / span > < span class = "Keyword" > or< / span > macro_name< span class = "Keyword" > ==< / span > < span class = "String" > < span class = "String" > " < / span > < span class = "String" > " < / span > < / span > < span class = "Keyword" > or< / span > < span class = "Variable" > < span class = "Variable" > @< / span > macro< / span > [macro_name.< span class = "Entity" > intern< / span > ].< span class = "Entity" > nil?< / span >
< span class = "Keyword" > return< / span > < span class = "String" > < span class = "String" > %{< / span > %< span class = "StringEmbeddedSource" > < span class = "StringEmbeddedSource" > #{< / span > macro_name< span class = "StringEmbeddedSource" > }< / span > < / span > < span class = "String" > }< / span > < / span >
< span class = "Keyword" > end< / span >
< span class = "Keyword" > return< / span > < span class = "Variable" > < span class = "Variable" > @< / span > macro< / span > [macro_name.< span class = "Entity" > intern< / span > ]
< span class = "Keyword" > end< / span >
< span class = "Keyword" > def< / span > < span class = "Entity" > run< / span > (< span class = "Variable" > content< span class = "Variable" > ,< / span > params< span class = "Keyword" > =< / span > < span class = "Variable" > {< / span > < span class = "Variable" > }< / span > < / span > )
content.< span class = "Entity" > gsub< / span > (< span class = "StringRegexp" > < span class = "StringRegexp" > /< / span > < / span > < span class = "StringRegexp" > %< span class = "StringRegexp" > < span class = "StringRegexp" > (< / span > < span class = "StringRegexpSpecial" > \w< / span > *< span class = "StringRegexp" > )< / span > < / span > < / span > < span class = "StringRegexp" > < span class = "StringRegexp" > /< / span > < / span > ) < span class = "Keyword" > do < / span > |< span class = "Variable" > m< / span > |
< span class = "Keyword" > if< / span > m < span class = "Keyword" > !=< / span > < span class = "String" > < span class = "String" > '< / span > %< span class = "String" > '< / span > < / span >
< span class = "Entity" > macro_value_for< / span > (< span class = "Variable" > < span class = "Variable" > $< / span > 1< / span > )
< span class = "Keyword" > else< / span >
m
< span class = "Keyword" > end< / span >
< span class = "Keyword" > end< / span >
< span class = "Keyword" > end< / span >
< span class = "Keyword" > end< / span >
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< p > Les macros peuvent être vraiment utiles. Lisez < a href = "http://adam.gomaa.us/blog/2007/oct/22/markdown-doesnt-scale/index.html" > cet article< / a > par exemple.< / p >
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Écrit le : 26/10/2010
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