<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ --> <title>src/full/Agda/Utils/IO/UTF8.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-- | Text IO using the UTF8 character encoding.</span> <a name="line-2"></a> <a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span> <a name="line-4"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>readTextFile</span> <a name="line-5"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-varid'>hPutStr</span> <a name="line-6"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-varid'>writeFile</span> <a name="line-7"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-8"></a> <a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>IO</span> <a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <a name="line-11"></a> <a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span><span class='hs-varop'>.</span><span class='hs-conid'>Unicode</span> <a name="line-13"></a> <a name="line-14"></a><span class='hs-comment'>-- | Reads a UTF8-encoded text file and converts all Unicode line</span> <a name="line-15"></a><span class='hs-comment'>-- endings into '\n'.</span> <a name="line-16"></a> <a name="line-17"></a><a name="readTextFile"></a><span class='hs-definition'>readTextFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>String</span> <a name="line-18"></a><span class='hs-definition'>readTextFile</span> <span class='hs-varid'>file</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>convertLineEndings</span> <span class='hs-varop'><$></span> <span class='hs-keyword'>do</span> <a name="line-19"></a> <span class='hs-varid'>h</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>openFile</span> <span class='hs-varid'>file</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadMode</span> <a name="line-20"></a> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hSetNewlineMode</span> <span class='hs-varid'>h</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>noNewlineTranslation</span> <a name="line-21"></a> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hSetEncoding</span> <span class='hs-varid'>h</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>utf8</span> <a name="line-22"></a> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hGetContents</span> <span class='hs-varid'>h</span> <a name="line-23"></a> <a name="line-24"></a><span class='hs-comment'>-- | Writes UTF8-encoded text to the handle, which should be opened</span> <a name="line-25"></a><span class='hs-comment'>-- for writing and in text mode. The native convention for line</span> <a name="line-26"></a><span class='hs-comment'>-- endings is used.</span> <a name="line-27"></a><span class='hs-comment'>--</span> <a name="line-28"></a><span class='hs-comment'>-- The handle's text encoding is not necessarily preserved, it is</span> <a name="line-29"></a><span class='hs-comment'>-- changed to UTF8.</span> <a name="line-30"></a> <a name="line-31"></a><a name="hPutStr"></a><span class='hs-definition'>hPutStr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-32"></a><span class='hs-definition'>hPutStr</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-33"></a> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hSetEncoding</span> <span class='hs-varid'>h</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>utf8</span> <a name="line-34"></a> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hPutStr</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span> <a name="line-35"></a> <a name="line-36"></a><span class='hs-comment'>-- | Writes a UTF8-encoded text file. The native convention for line</span> <a name="line-37"></a><span class='hs-comment'>-- endings is used.</span> <a name="line-38"></a> <a name="line-39"></a><a name="writeFile"></a><span class='hs-definition'>writeFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-40"></a><span class='hs-definition'>writeFile</span> <span class='hs-varid'>file</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>withFile</span> <span class='hs-varid'>file</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>WriteMode</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>h</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-41"></a> <span class='hs-varid'>hPutStr</span> <span class='hs-varid'>h</span> <span class='hs-varid'>s</span> </pre></body> </html>
