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libgettext-ruby 1.7.0-1
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<head><title>load_from_stream (MOFile)</title>
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<pre><span class="ruby-comment cmt"># File lib/gettext/mo.rb, line 76</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">load_from_stream</span>(<span class="ruby-identifier">io</span>)
    <span class="ruby-identifier">magic</span> = <span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>(<span class="ruby-value">4</span>)
    <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">magic</span>
    <span class="ruby-keyword kw">when</span> <span class="ruby-constant">MAGIC_BIG_ENDIAN</span>
      <span class="ruby-ivar">@little_endian</span> = <span class="ruby-keyword kw">false</span>
    <span class="ruby-keyword kw">when</span> <span class="ruby-constant">MAGIC_LITTLE_ENDIAN</span>
      <span class="ruby-ivar">@little_endian</span> = <span class="ruby-keyword kw">true</span>
    <span class="ruby-keyword kw">else</span>
      <span class="ruby-identifier">raise</span> <span class="ruby-constant">InvalidFormat</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">sprintf</span>(<span class="ruby-value str">&quot;Unknown signature %s&quot;</span>, <span class="ruby-identifier">magic</span>.<span class="ruby-identifier">dump</span>))
    <span class="ruby-keyword kw">end</span>

    <span class="ruby-identifier">header</span> = <span class="ruby-constant">Header</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">magic</span>, <span class="ruby-operator">*</span>(<span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>(<span class="ruby-value">4</span> <span class="ruby-operator">*</span> <span class="ruby-value">6</span>).<span class="ruby-identifier">unpack</span>(<span class="ruby-ivar">@little_endian</span> <span class="ruby-operator">?</span> <span class="ruby-value str">'V6'</span> <span class="ruby-operator">:</span> <span class="ruby-value str">'N6'</span>)))
    <span class="ruby-identifier">raise</span> <span class="ruby-constant">InvalidFormat</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">sprintf</span>(<span class="ruby-value str">&quot;file format revision %d isn't supported&quot;</span>, <span class="ruby-identifier">header</span>.<span class="ruby-identifier">revision</span>)) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">header</span>.<span class="ruby-identifier">revision</span> <span class="ruby-operator">&gt;</span> <span class="ruby-value">0</span>

    <span class="ruby-identifier">io</span>.<span class="ruby-identifier">pos</span> = <span class="ruby-identifier">header</span>.<span class="ruby-identifier">orig_table_offset</span>
    <span class="ruby-identifier">orig_table_data</span> = <span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>((<span class="ruby-value">4</span> <span class="ruby-operator">*</span> <span class="ruby-value">2</span>) <span class="ruby-operator">*</span> <span class="ruby-identifier">header</span>.<span class="ruby-identifier">nstrings</span>).<span class="ruby-identifier">unpack</span>(<span class="ruby-ivar">@little_endian</span> <span class="ruby-operator">?</span> <span class="ruby-value str">'V*'</span> <span class="ruby-operator">:</span> <span class="ruby-value str">'N*'</span>)

    <span class="ruby-identifier">io</span>.<span class="ruby-identifier">pos</span> = <span class="ruby-identifier">header</span>.<span class="ruby-identifier">translated_table_offset</span>
    <span class="ruby-identifier">trans_table_data</span> = <span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>((<span class="ruby-value">4</span> <span class="ruby-operator">*</span> <span class="ruby-value">2</span>) <span class="ruby-operator">*</span> <span class="ruby-identifier">header</span>.<span class="ruby-identifier">nstrings</span>).<span class="ruby-identifier">unpack</span>(<span class="ruby-ivar">@little_endian</span> <span class="ruby-operator">?</span> <span class="ruby-value str">'V*'</span> <span class="ruby-operator">:</span> <span class="ruby-value str">'N*'</span>)

    <span class="ruby-identifier">original_strings</span> = <span class="ruby-constant">Array</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">header</span>.<span class="ruby-identifier">nstrings</span>)
    <span class="ruby-keyword kw">for</span> <span class="ruby-identifier">i</span> <span class="ruby-keyword kw">in</span> <span class="ruby-value">0</span><span class="ruby-operator">...</span><span class="ruby-identifier">header</span>.<span class="ruby-identifier">nstrings</span>
      <span class="ruby-identifier">io</span>.<span class="ruby-identifier">pos</span> = <span class="ruby-identifier">orig_table_data</span>[<span class="ruby-identifier">i</span> <span class="ruby-operator">*</span> <span class="ruby-value">2</span> <span class="ruby-operator">+</span> <span class="ruby-value">1</span>]
      <span class="ruby-identifier">original_strings</span>[<span class="ruby-identifier">i</span>] = <span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>(<span class="ruby-identifier">orig_table_data</span>[<span class="ruby-identifier">i</span> <span class="ruby-operator">*</span> <span class="ruby-value">2</span> <span class="ruby-operator">+</span> <span class="ruby-value">0</span>])
    <span class="ruby-keyword kw">end</span>

    <span class="ruby-identifier">clear</span>
    <span class="ruby-keyword kw">for</span> <span class="ruby-identifier">i</span> <span class="ruby-keyword kw">in</span> <span class="ruby-value">0</span><span class="ruby-operator">...</span><span class="ruby-identifier">header</span>.<span class="ruby-identifier">nstrings</span>
      <span class="ruby-identifier">io</span>.<span class="ruby-identifier">pos</span> = <span class="ruby-identifier">trans_table_data</span>[<span class="ruby-identifier">i</span> <span class="ruby-operator">*</span> <span class="ruby-value">2</span> <span class="ruby-operator">+</span> <span class="ruby-value">1</span>]
      <span class="ruby-identifier">str</span> = <span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>(<span class="ruby-identifier">trans_table_data</span>[<span class="ruby-identifier">i</span> <span class="ruby-operator">*</span> <span class="ruby-value">2</span> <span class="ruby-operator">+</span> <span class="ruby-value">0</span>])

      <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">original_strings</span>[<span class="ruby-identifier">i</span>] <span class="ruby-operator">==</span> <span class="ruby-value str">&quot;&quot;</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">str</span>
          <span class="ruby-ivar">@charset</span> = <span class="ruby-keyword kw">nil</span>
          <span class="ruby-ivar">@nplurals</span> = <span class="ruby-keyword kw">nil</span>
          <span class="ruby-ivar">@plural</span> = <span class="ruby-keyword kw">nil</span>
          <span class="ruby-identifier">str</span>.<span class="ruby-identifier">each_line</span>{<span class="ruby-operator">|</span><span class="ruby-identifier">line</span><span class="ruby-operator">|</span>
            <span class="ruby-keyword kw">if</span> <span class="ruby-regexp re">/^Content-Type:/i</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">line</span> <span class="ruby-keyword kw">and</span> <span class="ruby-regexp re">/charset=((?:\w|-)+)/i</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">line</span>
              <span class="ruby-ivar">@charset</span> = <span class="ruby-identifier">$1</span>
            <span class="ruby-keyword kw">elsif</span> <span class="ruby-regexp re">/^Plural-Forms:\s*nplurals\s*\=\s*(\d*);\s*plural\s*\=\s*([^;]*)\n?/</span> <span class="ruby-operator">=~</span> <span class="ruby-identifier">line</span>
              <span class="ruby-ivar">@nplurals</span> = <span class="ruby-identifier">$1</span>
              <span class="ruby-ivar">@plural</span> = <span class="ruby-identifier">$2</span>
            <span class="ruby-keyword kw">end</span>
            <span class="ruby-keyword kw">break</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@charset</span> <span class="ruby-keyword kw">and</span> <span class="ruby-ivar">@nplurals</span>
          }
          <span class="ruby-ivar">@nplurals</span> = <span class="ruby-value str">&quot;1&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-ivar">@nplurals</span>
          <span class="ruby-ivar">@plural</span> = <span class="ruby-value str">&quot;0&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-ivar">@plural</span>
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">else</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@output_charset</span>
          <span class="ruby-keyword kw">begin</span>
            <span class="ruby-identifier">str</span> = <span class="ruby-constant">Iconv</span>.<span class="ruby-identifier">iconv</span>(<span class="ruby-ivar">@output_charset</span>, <span class="ruby-ivar">@charset</span>, <span class="ruby-identifier">str</span>).<span class="ruby-identifier">join</span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@charset</span>
          <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Iconv</span><span class="ruby-operator">::</span><span class="ruby-constant">Failure</span>
            <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">$DEBUG</span>
              <span class="ruby-identifier">$stderr</span>.<span class="ruby-identifier">print</span> <span class="ruby-value str">&quot;@charset = &quot;</span>, <span class="ruby-ivar">@charset</span>, <span class="ruby-value str">&quot;\n&quot;</span>
              <span class="ruby-identifier">$stderr</span>.<span class="ruby-identifier">print</span> <span class="ruby-value str">&quot;@output_charset = &quot;</span>, <span class="ruby-ivar">@output_charset</span>, <span class="ruby-value str">&quot;\n&quot;</span>
              <span class="ruby-identifier">$stderr</span>.<span class="ruby-identifier">print</span> <span class="ruby-value str">&quot;msgid = &quot;</span>, <span class="ruby-identifier">original_strings</span>[<span class="ruby-identifier">i</span>], <span class="ruby-value str">&quot;\n&quot;</span>
              <span class="ruby-identifier">$stderr</span>.<span class="ruby-identifier">print</span> <span class="ruby-value str">&quot;msgstr = &quot;</span>, <span class="ruby-identifier">str</span>, <span class="ruby-value str">&quot;\n&quot;</span>
            <span class="ruby-keyword kw">end</span>
          <span class="ruby-keyword kw">end</span>
        <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-keyword kw">self</span>[<span class="ruby-identifier">original_strings</span>[<span class="ruby-identifier">i</span>]] = <span class="ruby-identifier">str</span>
    <span class="ruby-keyword kw">end</span>
    <span class="ruby-keyword kw">self</span>
  <span class="ruby-keyword kw">end</span></pre>
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