茂之钳
164 lines
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164 lines
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<div class="title">format_utils.h</div> </div>
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<a href="format__utils_8h.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#include "<a class="code" href="point_8h.html">vde/core/point.h</a>"</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include <string></span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include <sstream></span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include <iomanip></span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <cmath></span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <cstdio></span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="keyword">namespace </span><a class="code" href="namespacevde_1_1foundation.html">vde::foundation</a> {</div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
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<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="group__foundation.html#gabe62e4bbbb46304e5df75cf773269029"> 31</a></span> <span class="keyword">inline</span> std::string <a class="code" href="group__foundation.html#gabe62e4bbbb46304e5df75cf773269029">fmt_double</a>(<span class="keywordtype">double</span> v, <span class="keywordtype">int</span> precision = 12) {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordflow">if</span> (std::isnan(v)) <span class="keywordflow">return</span> <span class="stringliteral">"0.0"</span>;</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">if</span> (std::isinf(v)) <span class="keywordflow">return</span> v > 0 ? <span class="stringliteral">"1e30"</span> : <span class="stringliteral">"-1e30"</span>;</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  std::ostringstream ss;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  ss << std::setprecision(precision) << std::scientific << v;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  std::string s = ss.str();</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// Ensure always has exponent sign (e.g., "1.0e+00" not "1.0e00")</span></div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">auto</span> epos = s.find(<span class="charliteral">'e'</span>);</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (epos != std::string::npos) {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">if</span> (epos + 1 < s.size() && s[epos + 1] != <span class="charliteral">'-'</span> && s[epos + 1] != <span class="charliteral">'+'</span>) {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  s.insert(epos + 1, <span class="stringliteral">"+"</span>);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> s;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> }</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="group__foundation.html#gab2f1e3f24e1a358c3edabfb4fd3eb8a5"> 63</a></span> <span class="keyword">inline</span> std::string <a class="code" href="group__foundation.html#gab2f1e3f24e1a358c3edabfb4fd3eb8a5">fmt_iges_real</a>(<span class="keywordtype">double</span> v, <span class="keywordtype">int</span> <span class="comment">/*precision*/</span> = 12) {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">auto</span> s = <a class="code" href="group__foundation.html#gabe62e4bbbb46304e5df75cf773269029">fmt_double</a>(v, 12);</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">auto</span> pos = s.find(<span class="charliteral">'e'</span>);</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> (pos != std::string::npos) s[pos] = <span class="charliteral">'D'</span>;</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">return</span> s;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div>
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<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="group__foundation.html#ga28a1536a709ef0b632f301375e081c98"> 88</a></span> <span class="keyword">inline</span> std::string <a class="code" href="group__foundation.html#ga28a1536a709ef0b632f301375e081c98">fmt_point</a>(<span class="keyword">const</span> <a class="code" href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">core::Point3D</a>& p, <span class="keywordtype">bool</span> use_d = <span class="keyword">false</span>) {</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">using</span> FmtFn = std::string (*)(double, int);</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  FmtFn fn = use_d ? <span class="keyword">static_cast<</span>FmtFn<span class="keyword">></span>(<a class="code" href="group__foundation.html#gab2f1e3f24e1a358c3edabfb4fd3eb8a5">fmt_iges_real</a>) : <a class="code" href="group__foundation.html#gabe62e4bbbb46304e5df75cf773269029">fmt_double</a>;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> fn(p.x(), 12) + <span class="stringliteral">","</span> + fn(p.y(), 12) + <span class="stringliteral">","</span> + fn(p.z(), 12);</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
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<div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="group__foundation.html#ga0966ff9f82904704cbf6fb6325179ec5"> 105</a></span> <span class="keyword">inline</span> std::string <a class="code" href="group__foundation.html#ga0966ff9f82904704cbf6fb6325179ec5">pad72</a>(<span class="keyword">const</span> std::string& s) {</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::string result = s;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span> (result.size() > 72) result.resize(72);</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  result.resize(72, <span class="charliteral">' '</span>);</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> result;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> }</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
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<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="group__foundation.html#ga4c722653de4d2a636ec36840bf570d9b"> 130</a></span> <span class="keyword">inline</span> std::string <a class="code" href="group__foundation.html#ga4c722653de4d2a636ec36840bf570d9b">format_iges_line</a>(<span class="keyword">const</span> std::string& data, <span class="keywordtype">char</span> section_char, <span class="keywordtype">int</span> seq) {</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  std::string line = <a class="code" href="group__foundation.html#ga0966ff9f82904704cbf6fb6325179ec5">pad72</a>(data);</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">char</span> seq_buf[9];</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  std::snprintf(seq_buf, <span class="keyword">sizeof</span>(seq_buf), <span class="stringliteral">"%c%07d"</span>, section_char, seq);</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  line += std::string(seq_buf);</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> line + <span class="stringliteral">"\n"</span>;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> } <span class="comment">// namespace vde::foundation</span></div>
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<div class="ttc" id="agroup__foundation_html_ga0966ff9f82904704cbf6fb6325179ec5"><div class="ttname"><a href="group__foundation.html#ga0966ff9f82904704cbf6fb6325179ec5">vde::foundation::pad72</a></div><div class="ttdeci">std::string pad72(const std::string &s)</div><div class="ttdoc">将字符串填充到恰好 72 个字符</div><div class="ttdef"><b>Definition:</b> <a href="format__utils_8h_source.html#l00105">format_utils.h:105</a></div></div>
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<div class="ttc" id="agroup__foundation_html_ga28a1536a709ef0b632f301375e081c98"><div class="ttname"><a href="group__foundation.html#ga28a1536a709ef0b632f301375e081c98">vde::foundation::fmt_point</a></div><div class="ttdeci">std::string fmt_point(const core::Point3D &p, bool use_d=false)</div><div class="ttdoc">格式化三维点为逗号分隔字符串</div><div class="ttdef"><b>Definition:</b> <a href="format__utils_8h_source.html#l00088">format_utils.h:88</a></div></div>
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<div class="ttc" id="agroup__foundation_html_ga4c722653de4d2a636ec36840bf570d9b"><div class="ttname"><a href="group__foundation.html#ga4c722653de4d2a636ec36840bf570d9b">vde::foundation::format_iges_line</a></div><div class="ttdeci">std::string format_iges_line(const std::string &data, char section_char, int seq)</div><div class="ttdoc">格式化 IGES 段落行</div><div class="ttdef"><b>Definition:</b> <a href="format__utils_8h_source.html#l00130">format_utils.h:130</a></div></div>
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<div class="ttc" id="agroup__foundation_html_gab2f1e3f24e1a358c3edabfb4fd3eb8a5"><div class="ttname"><a href="group__foundation.html#gab2f1e3f24e1a358c3edabfb4fd3eb8a5">vde::foundation::fmt_iges_real</a></div><div class="ttdeci">std::string fmt_iges_real(double v, int=12)</div><div class="ttdoc">IGES 格式实数输出</div><div class="ttdef"><b>Definition:</b> <a href="format__utils_8h_source.html#l00063">format_utils.h:63</a></div></div>
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<div class="ttc" id="agroup__foundation_html_gabe62e4bbbb46304e5df75cf773269029"><div class="ttname"><a href="group__foundation.html#gabe62e4bbbb46304e5df75cf773269029">vde::foundation::fmt_double</a></div><div class="ttdeci">std::string fmt_double(double v, int precision=12)</div><div class="ttdoc">以 CAD 级别精度格式化双精度浮点数</div><div class="ttdef"><b>Definition:</b> <a href="format__utils_8h_source.html#l00031">format_utils.h:31</a></div></div>
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<div class="ttc" id="anamespacevde_1_1core_html_ac6aed70c4b90d13f10217267cd7a1952"><div class="ttname"><a href="namespacevde_1_1core.html#ac6aed70c4b90d13f10217267cd7a1952">vde::core::Point3D</a></div><div class="ttdeci">foundation::Point3D Point3D</div><div class="ttdoc">双精度三维点（重新导出）</div><div class="ttdef"><b>Definition:</b> <a href="point_8h_source.html#l00031">point.h:31</a></div></div>
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<div class="ttc" id="anamespacevde_1_1foundation_html"><div class="ttname"><a href="namespacevde_1_1foundation.html">vde::foundation</a></div><div class="ttdoc">自适应双精度谓词后端（默认）</div><div class="ttdef"><b>Definition:</b> <a href="error__codes_8h_source.html#l00004">error_codes.h:4</a></div></div>
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<div class="ttc" id="apoint_8h_html"><div class="ttname"><a href="point_8h.html">point.h</a></div></div>
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