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#
# XML
#
proc ::helpdoc::xml_escape_chr {content} {
# replace xml special characters by escape-characters
foreach {chr escChr} {
& {\&}
< {\<}
> {\>}
} {
regsub -all -- $chr $content $escChr content
}
regsub -all -- ' $content {\'} content
regsub -all -- \" $content {\"} content
return $content
}
proc ::helpdoc::xml_attr_escape_chr {content} {
# replace xml special characters by escape-characters
foreach {chr escChr} {
& {\&}
< {\<}
> {\>}
} {
regsub -all -- $chr $content $escChr content
}
return $content
}
proc ::helpdoc::xml_http {content} {
# PURPOSE: transform all instances of http://**** into links
#set re {http(s)*://([[:alnum:]-]+\.)+[[:alnum:]-]+[-#/\w]*}
set re {http(s)*://([^/?#\s]*)?([^?#\s]*)(\?([^#\s]*))?(#([^\s]*))?[^\s\.,;:]}
return [regsub -all $re $content {<link>\0</link>}]
}
proc ::helpdoc::xml_doi {content} {
# PURPOSE: transform all instances of doi:10.**** into links
set re {([dD][oO][iI]:?\s*)(10.[0-9]{4})(\.[0-9]+)?(/[-#%/=&@!,:\.\?\w\(\)]+[^\s\.,;:\)\]])}
# 1 2 3 4
return [regsub -all $re $content {<a href="http://dx.doi.org/\2\3\4">\0</a>}]
}
proc ::helpdoc::xml_prb {content} {
# PURPOSE: transform "PRB vol, page" into link
set re {(PRB)[\s,]+([0-9]+)[\s,]+([A-Z]?[0-9]+)[\s,]+\(?[12][0-9]{3}\)?}
return [regsub -all $re $content {<a href="https://journals.aps.org/prb/abstract/10.1103/PhysRevB.\2.\3">\0</a>}]
}
proc ::helpdoc::xml_prl {content} {
# PURPOSE: transform "PRL vol, page" into link
set re {(PRL)[\s,]+([0-9]+)[\s,]+([A-Z]?[0-9]+)[\s,]+\(?[12][0-9]{3}\)?}
return [regsub -all $re $content {<a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.\2.\3">\0</a>}]
}
proc ::helpdoc::xml_arxiv {content} {
# PURPOSE: transform "arxiv:identifier" into link
set re {(ar[xX]iv:)([0-9]{4}.[0-9]+(v[0-9]+)?|[a-zA-Z\.\-]+/[0-9]+)}
# 1 2 3
return [regsub -all $re $content {<a href="https://arxiv.org/abs/\2">\0</a>}]
}
proc ::helpdoc::xml_ref {content} {
# PURPOSE: transform all "@ref var" into <ref>var</ref>
# Note that Fortran structure names struct%var are supported
set re {(@ref)\s+(\w+([%]\w)*)}
return [regsub -all $re $content {<ref>\2</ref>}]
}
proc ::helpdoc::xml_link {content} {
# PURPOSE: transform all "@link document" into <link>document</link>
set re {(@link)\s+([.,;:]*[\w\+-]+([.,;:][\w\+-]+)*)}
return [regsub -all $re $content {<link>\2</link>}]
}
proc ::helpdoc::xml_tag_enter {tag attr content depth} {
variable fid
set indent [indent $depth]
set sep ""
if { $content != "" } {
if { [llength [split $content \n]] > 1 } {
set content [trimEmpty $content]
set sep \n
} else {
set sep " "
}
}
set attr [xml_attr_escape_chr $attr]
#set content [formatString [xml_ref [xml_link [xml_prb [xml_prl [xml_doi [xml_http [xml_escape_chr $content]]]]]]]]
set content [formatString [xml_atTags [xml_arxiv [xml_prb [xml_prl [xml_doi [xml_http [xml_escape_chr $content]]]]]]]]
if { $attr != "" } {
puts $fid(xml) "${indent}<$tag ${attr}>${sep}${content}"
} else {
puts $fid(xml) "${indent}<$tag>${sep}${content}"
}
}
proc ::helpdoc::xml_tag_leave {tag attr content depth} {
variable fid
puts $fid(xml) "[indent $depth]</$tag>"
}
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