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54 lines
1.2 KiB
Perl
54 lines
1.2 KiB
Perl
#! perl
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# Converts a list of atoms in the form:
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# // OUTPUT_CLASS=<classname>
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# // MACRO_NAME=<macro>
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# <macroname>(atomName, "String")
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# <macroname>(atomName2, "String2")
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#
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# into a file suitable for gperf using static atoms
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#
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# usage:
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# make-atom-strings < file.h > file.gperf
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#
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# the lines in the C++ comments define two variables:
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# OUTPUT_CLASS is the class who has all the atoms as members
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# MACRO_NAME is the macro to look for in the rest of the file
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#
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# for example
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# // OUTPUT_CLASS=nsHTMLAtoms
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# // MACRO_NAME=HTML_ATOM
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# HTML_ATOM(a, "a")
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# HTML_ATOM(body, "body")
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#
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# etc...
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#
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# this will generate a file that looks like:
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# struct nsStaticAtom ( const char* mValue; nsIAtom** aAtom; }
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# %%
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# "a", &nsHTMLAtoms::a
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# "body", &nsHTMLAtoms::body
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#
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# etc...
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#
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# the output can be plugged into gperf to generate a perfect hash
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print "struct nsStaticAtom {const char* mValue; nsIAtom** aAtom; };\n";
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print "%%\n";
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my $classname, $macroname;
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while (<>) {
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chop;
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if (/OUTPUT_CLASS=(\S+)/) {
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$classname=$1;
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} elsif (/MACRO_NAME=(\S+)/) {
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$macroname=$1;
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}
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elsif ($classname && $macroname &&
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/$macroname\((\S+),\s*\"(.*?)\"\s*\)/) {
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my ($str, $atom) = ($2, $1);
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print "\"$str\", (nsIAtom**)&${classname}::$atom\n";
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}
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}
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