2001-10-17 22:35:44 +00:00
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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="Author" content="Eric Mader">
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<meta name="GENERATOR" content="Mozilla/4.72 [en] (Windows NT 5.0; U) [Netscape]">
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<title>ScriptRun readme</title>
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</head>
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<body>
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<h2>
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What is scrptrun and srtest?</h2>
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The ICU LayoutEngine must be called with text in a single script. scrptrun.h
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and scrptrun.cpp implement the ScriptRun class, which can be used to find
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runs of text that is in a single script. It uses a basic iteration interface.
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<p>srtest is a little program that tests ScriptRun. You can use it as an
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example of how to use ScriptRun. Here's what the output should look like:
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<blockquote><font face="Courier New,Courier"><font size=-1>Script 'DEVANAGARI'
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from 0 to 9.</font></font>
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<br><font face="Courier New,Courier"><font size=-1>Script 'ARABIC' from
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9 to 17.</font></font>
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<br><font face="Courier New,Courier"><font size=-1>Script 'CYRILLIC' from
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17 to 25.</font></font>
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<br><font face="Courier New,Courier"><font size=-1>Script 'LATIN' from
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25 to 33.</font></font>
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<br><font face="Courier New,Courier"><font size=-1>Script 'HAN' from 33
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to 35.</font></font>
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<br><font face="Courier New,Courier"><font size=-1>Script 'HIRAGANA' from
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35 to 41.</font></font>
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<br><font face="Courier New,Courier"><font size=-1>Script 'KATAKANA' from
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41 to 45.</font></font>
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<br><font face="Courier New,Courier"><font size=-1>Script 'DESERET' from
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45 to 53.</font></font></blockquote>
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<h2>
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How do I build scrptrun and srtest?</h2>
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2001-11-27 01:34:52 +00:00
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To use the ScriptRun class in a Windows application, just include scrptrun.h
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and scrptrun.cpp right out of the <icu>\source\extra\scrptrun directory
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into your project. You'll also need to add the <icu>\source]extra\scrptrun
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directory to the "Additional include directories" section of the "Preprocessor"
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category on the "C/C++" tab in the project settings.
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<p>On UNIX systems the simplest thing to do is to just copy scrptrun.h
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and scrptrun.cpp into your source directory. If you want to use them from
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<icu>/source/extra/scrpturn, it's a bit trickier: the default dependency
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rules don't work on source files in a different directory. You need to
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add separate dependency rules for scrptrun.o and scrptrun.d. See <icu>/source/samples/layout/Makefile.in
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for an example of how to do this. You'll also have to add -I$(top_srcdir)/extra/scrptrun
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to your compiler flags so that the compiler can find scrptrun.h. If your
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application has to build on multiple UNIX platforms, it might be difficult
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to wirte dependency rules that will work correctly on all platforms. In
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that case, you're probably better off copying the scrpturn files to your
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source directory.
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2001-10-17 22:35:44 +00:00
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<p>Building srtest is easy, on Windows build the srtest workspace in <icu>\source\extra\scrptrun.
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On UNIX, connect to <top-build-dir>/extra/scrptrun and do "make all"
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<h2>
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Notes</h2>
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<ul>
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<li>
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ScriptRun is based on <a href="http://www.unicode.org/unicode/reports/tr24/">Unicode
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Technical Report #24</a> but the implementation is not complete. In particular
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2001-11-27 01:34:52 +00:00
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the support for paired punctuation is only a prototype. A complete implementation
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2001-10-17 22:35:44 +00:00
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will be added to ICU in the future.</li>
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</ul>
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</body>
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</html>
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