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<li class="navelem"><a class="el" href="namespacewreport.html">wreport</a></li><li class="navelem"><b>buffers</b></li><li class="navelem"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html">BufrInput</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">wreport::buffers::BufrInput Class Reference</div> </div>
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<p>Binary buffer with bit-level read operations.
<a href="classwreport_1_1buffers_1_1BufrInput.html#details">More...</a></p>
<p><code>#include <<a class="el" href="bufr_8h_source.html">bufr.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a689962bd302f91ecd617b492257d340e"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a689962bd302f91ecd617b492257d340e">BufrInput</a> (const std::string &in)</td></tr>
<tr class="memdesc:a689962bd302f91ecd617b492257d340e"><td class="mdescLeft"> </td><td class="mdescRight">Wrap a string iinto a <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html" title="Binary buffer with bit-level read operations. ">BufrInput</a>. <a href="#a689962bd302f91ecd617b492257d340e">More...</a><br /></td></tr>
<tr class="separator:a689962bd302f91ecd617b492257d340e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab0ea620a21afd96df1e2297d1ec04d4d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#ab0ea620a21afd96df1e2297d1ec04d4d">scan_lead_sections</a> ()</td></tr>
<tr class="memdesc:ab0ea620a21afd96df1e2297d1ec04d4d"><td class="mdescLeft"> </td><td class="mdescRight">Scan the message filling in the sec[] array of start offsets of sections 0 and 1. <a href="#ab0ea620a21afd96df1e2297d1ec04d4d">More...</a><br /></td></tr>
<tr class="separator:ab0ea620a21afd96df1e2297d1ec04d4d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaec61fc6af1956f898ed013092a19a51"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#aaec61fc6af1956f898ed013092a19a51">scan_other_sections</a> (bool has_optional)</td></tr>
<tr class="memdesc:aaec61fc6af1956f898ed013092a19a51"><td class="mdescLeft"> </td><td class="mdescRight">Scan the message filling in the sec[] array of section start offsets of all sections from 2 on. <a href="#aaec61fc6af1956f898ed013092a19a51">More...</a><br /></td></tr>
<tr class="separator:aaec61fc6af1956f898ed013092a19a51"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aafde03b7e2e3d61d23075a416cd873cf"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aafde03b7e2e3d61d23075a416cd873cf"></a>
unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#aafde03b7e2e3d61d23075a416cd873cf">offset</a> () const </td></tr>
<tr class="memdesc:aafde03b7e2e3d61d23075a416cd873cf"><td class="mdescLeft"> </td><td class="mdescRight">Return the current decoding byte offset. <br /></td></tr>
<tr class="separator:aafde03b7e2e3d61d23075a416cd873cf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae0471a2e8cd46d104c3230e597d70e26"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae0471a2e8cd46d104c3230e597d70e26"></a>
unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#ae0471a2e8cd46d104c3230e597d70e26">bits_left</a> () const </td></tr>
<tr class="memdesc:ae0471a2e8cd46d104c3230e597d70e26"><td class="mdescLeft"> </td><td class="mdescRight">Return the number of bits left in the message to be decoded. <br /></td></tr>
<tr class="separator:ae0471a2e8cd46d104c3230e597d70e26"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a665407336a4d5b36851d02e172dfd471"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a665407336a4d5b36851d02e172dfd471"></a>
unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a665407336a4d5b36851d02e172dfd471">read_byte</a> (unsigned pos) const </td></tr>
<tr class="memdesc:a665407336a4d5b36851d02e172dfd471"><td class="mdescLeft"> </td><td class="mdescRight">Read a byte value at offset <em>pos</em>. <br /></td></tr>
<tr class="separator:a665407336a4d5b36851d02e172dfd471"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7832558aa5dfff73bb9b8fe597a9bd4b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7832558aa5dfff73bb9b8fe597a9bd4b"></a>
unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a7832558aa5dfff73bb9b8fe597a9bd4b">read_byte</a> (unsigned section, unsigned pos) const </td></tr>
<tr class="memdesc:a7832558aa5dfff73bb9b8fe597a9bd4b"><td class="mdescLeft"> </td><td class="mdescRight">Read a byte value at offset <em>pos</em> inside section <em>section</em>. <br /></td></tr>
<tr class="separator:a7832558aa5dfff73bb9b8fe597a9bd4b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a42b24b3793c4228871f3d6fe295ff0b5"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a42b24b3793c4228871f3d6fe295ff0b5"></a>
unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a42b24b3793c4228871f3d6fe295ff0b5">read_number</a> (unsigned pos, unsigned byte_len) const </td></tr>
<tr class="memdesc:a42b24b3793c4228871f3d6fe295ff0b5"><td class="mdescLeft"> </td><td class="mdescRight">Read a big endian integer value <em>byte_len</em> bytes long, at offset <em>pos</em>. <br /></td></tr>
<tr class="separator:a42b24b3793c4228871f3d6fe295ff0b5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af8726f8759de5831fce84c58c5c1ef1f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af8726f8759de5831fce84c58c5c1ef1f"></a>
unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#af8726f8759de5831fce84c58c5c1ef1f">read_number</a> (unsigned section, unsigned pos, unsigned byte_len) const </td></tr>
<tr class="memdesc:af8726f8759de5831fce84c58c5c1ef1f"><td class="mdescLeft"> </td><td class="mdescRight">Read a big endian integer value <em>byte_len</em> bytes long, at offset <em>pos</em> inside section <em>section</em>. <br /></td></tr>
<tr class="separator:af8726f8759de5831fce84c58c5c1ef1f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a82f9fb083ab4e35ebdb8b25eb514235f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a82f9fb083ab4e35ebdb8b25eb514235f"></a>
uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a82f9fb083ab4e35ebdb8b25eb514235f">get_bits</a> (unsigned n)</td></tr>
<tr class="memdesc:a82f9fb083ab4e35ebdb8b25eb514235f"><td class="mdescLeft"> </td><td class="mdescRight">Get the integer value of the next 'n' bits from the decode input n must be <= 32. <br /></td></tr>
<tr class="separator:a82f9fb083ab4e35ebdb8b25eb514235f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a519ce02222d8c0b22cb450d8f63a4259"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a519ce02222d8c0b22cb450d8f63a4259"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a519ce02222d8c0b22cb450d8f63a4259">debug_dump_next_bits</a> (const char *desc, int count) const </td></tr>
<tr class="memdesc:a519ce02222d8c0b22cb450d8f63a4259"><td class="mdescLeft"> </td><td class="mdescRight">Dump to stderr 'count' bits of 'buf', starting at the 'ofs-th' bit. <br /></td></tr>
<tr class="separator:a519ce02222d8c0b22cb450d8f63a4259"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af2ae028b4aeb21a4a08ae0ca13a83d95"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af2ae028b4aeb21a4a08ae0ca13a83d95"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#af2ae028b4aeb21a4a08ae0ca13a83d95">parse_error</a> (const char *fmt,...) const <a class="el" href="error_8h.html#ac90261814c6621766ebec4d00df9f794">WREPORT_THROWF_ATTRS</a>(2</td></tr>
<tr class="memdesc:af2ae028b4aeb21a4a08ae0ca13a83d95"><td class="mdescLeft"> </td><td class="mdescRight">Throw an <a class="el" href="structwreport_1_1error__parse.html" title="Report an error when parsing informations. ">error_parse</a> at the current decoding location. <br /></td></tr>
<tr class="separator:af2ae028b4aeb21a4a08ae0ca13a83d95"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7e2a26fb8a7a0031b9f43b5222c0e0a8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7e2a26fb8a7a0031b9f43b5222c0e0a8"></a>
void void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a7e2a26fb8a7a0031b9f43b5222c0e0a8">parse_error</a> (unsigned pos, const char *fmt,...) const <a class="el" href="error_8h.html#ac90261814c6621766ebec4d00df9f794">WREPORT_THROWF_ATTRS</a>(3</td></tr>
<tr class="memdesc:a7e2a26fb8a7a0031b9f43b5222c0e0a8"><td class="mdescLeft"> </td><td class="mdescRight">Throw an <a class="el" href="structwreport_1_1error__parse.html" title="Report an error when parsing informations. ">error_parse</a> at the given decoding location. <br /></td></tr>
<tr class="separator:a7e2a26fb8a7a0031b9f43b5222c0e0a8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3837df7a7fcbdce7a198bb2365a3cb07"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3837df7a7fcbdce7a198bb2365a3cb07"></a>
void void void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a3837df7a7fcbdce7a198bb2365a3cb07">parse_error</a> (unsigned section, unsigned pos, const char *fmt,...) const <a class="el" href="error_8h.html#ac90261814c6621766ebec4d00df9f794">WREPORT_THROWF_ATTRS</a>(4</td></tr>
<tr class="memdesc:a3837df7a7fcbdce7a198bb2365a3cb07"><td class="mdescLeft"> </td><td class="mdescRight">Throw an <a class="el" href="structwreport_1_1error__parse.html" title="Report an error when parsing informations. ">error_parse</a> at the given decoding location inside the given section. <br /></td></tr>
<tr class="separator:a3837df7a7fcbdce7a198bb2365a3cb07"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac7174e27eaffcb32c5aa87798fc261a6"><td class="memItemLeft" align="right" valign="top">void void void void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#ac7174e27eaffcb32c5aa87798fc261a6">check_available_data</a> (unsigned pos, size_t datalen, const char *expected)</td></tr>
<tr class="memdesc:ac7174e27eaffcb32c5aa87798fc261a6"><td class="mdescLeft"> </td><td class="mdescRight">Check that the input buffer contains at least <em>datalen</em> characters after offset <em>pos</em>; throw <a class="el" href="structwreport_1_1error__parse.html" title="Report an error when parsing informations. ">error_parse</a> otherwise. <a href="#ac7174e27eaffcb32c5aa87798fc261a6">More...</a><br /></td></tr>
<tr class="separator:ac7174e27eaffcb32c5aa87798fc261a6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0458805281cdc0d9e034f2e19b2308ac"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a0458805281cdc0d9e034f2e19b2308ac">check_available_data</a> (unsigned section, unsigned pos, size_t datalen, const char *expected)</td></tr>
<tr class="memdesc:a0458805281cdc0d9e034f2e19b2308ac"><td class="mdescLeft"> </td><td class="mdescRight">Check that the input buffer contains at least <em>datalen</em> characters after offset <em>pos</em> in section <em>section</em>; throw <a class="el" href="structwreport_1_1error__parse.html" title="Report an error when parsing informations. ">error_parse</a> otherwise. <a href="#a0458805281cdc0d9e034f2e19b2308ac">More...</a><br /></td></tr>
<tr class="separator:a0458805281cdc0d9e034f2e19b2308ac"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0a8ef1113b059d27d3bc2625dd100150"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a0a8ef1113b059d27d3bc2625dd100150">decode_compressed_number</a> (<a class="el" href="classwreport_1_1Var.html">Var</a> &dest, uint32_t base, unsigned diffbits)</td></tr>
<tr class="memdesc:a0a8ef1113b059d27d3bc2625dd100150"><td class="mdescLeft"> </td><td class="mdescRight">Decode a compressed number as described by dest.info(), ad set it as value for <em>dest</em>. <a href="#a0a8ef1113b059d27d3bc2625dd100150">More...</a><br /></td></tr>
<tr class="separator:a0a8ef1113b059d27d3bc2625dd100150"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a13e3a84859ab4d8274a4e322fa61eeb9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a13e3a84859ab4d8274a4e322fa61eeb9">decode_number</a> (<a class="el" href="classwreport_1_1Var.html">Var</a> &dest)</td></tr>
<tr class="memdesc:a13e3a84859ab4d8274a4e322fa61eeb9"><td class="mdescLeft"> </td><td class="mdescRight">Decode a number as described by dest.info(), and set it as value for <em>dest</em>. <a href="#a13e3a84859ab4d8274a4e322fa61eeb9">More...</a><br /></td></tr>
<tr class="separator:a13e3a84859ab4d8274a4e322fa61eeb9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa91c046cdd709d890eeb23681103ffcf"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa91c046cdd709d890eeb23681103ffcf"></a>
bool </td><td class="memItemRight" valign="bottom"><b>decode_compressed_base</b> (<a class="el" href="namespacewreport.html#acfcbb1367ca9f4166d76f13fbd910be7">Varinfo</a> info, uint32_t &base, uint32_t &diffbits)</td></tr>
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<tr class="memitem:a7b54bb7ad52c377a3f18b19d31d8aeb9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7b54bb7ad52c377a3f18b19d31d8aeb9"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a7b54bb7ad52c377a3f18b19d31d8aeb9">decode_compressed_number</a> (<a class="el" href="namespacewreport.html#acfcbb1367ca9f4166d76f13fbd910be7">Varinfo</a> info, unsigned subsets, std::function< void(unsigned, <a class="el" href="classwreport_1_1Var.html">Var</a> &&)> dest)</td></tr>
<tr class="memdesc:a7b54bb7ad52c377a3f18b19d31d8aeb9"><td class="mdescLeft"> </td><td class="mdescRight">Decode a number as described by <em>info</em> from a compressed bufr with <em>subsets</em> subsets, and send the resulting variables to <em>dest</em>. <br /></td></tr>
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<tr class="memitem:a510cdb6d93d55b6b5b0562abe0f253f8"><td class="memTemplParams" colspan="2"><a class="anchor" id="a510cdb6d93d55b6b5b0562abe0f253f8"></a>
template<typename Adder > </td></tr>
<tr class="memitem:a510cdb6d93d55b6b5b0562abe0f253f8"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>decode_string</b> (<a class="el" href="namespacewreport.html#acfcbb1367ca9f4166d76f13fbd910be7">Varinfo</a> info, unsigned subsets, Adder &dest)</td></tr>
<tr class="separator:a510cdb6d93d55b6b5b0562abe0f253f8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a563bde6311d7f23039ba1effc62f17bb"><td class="memTemplParams" colspan="2"><a class="anchor" id="a563bde6311d7f23039ba1effc62f17bb"></a>
template<typename Adder > </td></tr>
<tr class="memitem:a563bde6311d7f23039ba1effc62f17bb"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>decode_compressed_number</b> (<a class="el" href="namespacewreport.html#acfcbb1367ca9f4166d76f13fbd910be7">Varinfo</a> info, unsigned subsets, Adder &dest)</td></tr>
<tr class="separator:a563bde6311d7f23039ba1effc62f17bb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8d4e04359876b0375dd24c1bc76681db"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8d4e04359876b0375dd24c1bc76681db"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a8d4e04359876b0375dd24c1bc76681db">decode_compressed_number</a> (<a class="el" href="namespacewreport.html#acfcbb1367ca9f4166d76f13fbd910be7">Varinfo</a> info, unsigned associated_field_bits, unsigned subsets, std::function< void(unsigned, <a class="el" href="classwreport_1_1Var.html">Var</a> &&, uint32_t)> dest)</td></tr>
<tr class="memdesc:a8d4e04359876b0375dd24c1bc76681db"><td class="mdescLeft"> </td><td class="mdescRight">Decode a number as described by <em>info</em> from a compressed bufr with <em>subsets</em> subsets, and send the resulting variables to <em>dest</em>. <br /></td></tr>
<tr class="separator:a8d4e04359876b0375dd24c1bc76681db"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aabc2f5baf89f979d1453367b08cd9fca"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#aabc2f5baf89f979d1453367b08cd9fca">decode_compressed_semantic_number</a> (<a class="el" href="classwreport_1_1Var.html">Var</a> &dest, unsigned subsets)</td></tr>
<tr class="memdesc:aabc2f5baf89f979d1453367b08cd9fca"><td class="mdescLeft"> </td><td class="mdescRight">Decode a number as described by dest.info(), and set it as value for <em>dest</em>. <a href="#aabc2f5baf89f979d1453367b08cd9fca">More...</a><br /></td></tr>
<tr class="separator:aabc2f5baf89f979d1453367b08cd9fca"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af35a495606b08abd2a27381220385e04"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#af35a495606b08abd2a27381220385e04">decode_string</a> (unsigned bit_len, char *str, size_t &len)</td></tr>
<tr class="memdesc:af35a495606b08abd2a27381220385e04"><td class="mdescLeft"> </td><td class="mdescRight">Read a string from the data section. <a href="#af35a495606b08abd2a27381220385e04">More...</a><br /></td></tr>
<tr class="separator:af35a495606b08abd2a27381220385e04"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0196ac385a9d3f28c767abf0347362ff"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a0196ac385a9d3f28c767abf0347362ff">decode_string</a> (<a class="el" href="classwreport_1_1Var.html">Var</a> &dest)</td></tr>
<tr class="memdesc:a0196ac385a9d3f28c767abf0347362ff"><td class="mdescLeft"> </td><td class="mdescRight">Decode a string as described by dest.info(), ad set it as value for <em>dest</em>. <a href="#a0196ac385a9d3f28c767abf0347362ff">More...</a><br /></td></tr>
<tr class="separator:a0196ac385a9d3f28c767abf0347362ff"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7b1992cadb1543e3c4204472563a1a33"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a7b1992cadb1543e3c4204472563a1a33">decode_string</a> (<a class="el" href="classwreport_1_1Var.html">Var</a> &dest, unsigned subsets)</td></tr>
<tr class="memdesc:a7b1992cadb1543e3c4204472563a1a33"><td class="mdescLeft"> </td><td class="mdescRight">Decode a string as described by dest.info(), and set it as value for <em>dest</em>. <a href="#a7b1992cadb1543e3c4204472563a1a33">More...</a><br /></td></tr>
<tr class="separator:a7b1992cadb1543e3c4204472563a1a33"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae85ee38c6634d5e7f00c27cbcb3e2074"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae85ee38c6634d5e7f00c27cbcb3e2074"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#ae85ee38c6634d5e7f00c27cbcb3e2074">decode_string</a> (<a class="el" href="namespacewreport.html#acfcbb1367ca9f4166d76f13fbd910be7">Varinfo</a> info, unsigned subsets, std::function< void(unsigned, <a class="el" href="classwreport_1_1Var.html">Var</a> &&)> dest)</td></tr>
<tr class="memdesc:ae85ee38c6634d5e7f00c27cbcb3e2074"><td class="mdescLeft"> </td><td class="mdescRight">Decode a string as described by <em>info</em> from a compressed bufr with <em>subsets</em> subsets, and send the resulting variables to <em>dest</em>. <br /></td></tr>
<tr class="separator:ae85ee38c6634d5e7f00c27cbcb3e2074"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afee77cce5e3a3903cae805295e6c79cd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#afee77cce5e3a3903cae805295e6c79cd">decode_binary</a> (<a class="el" href="classwreport_1_1Var.html">Var</a> &dest)</td></tr>
<tr class="memdesc:afee77cce5e3a3903cae805295e6c79cd"><td class="mdescLeft"> </td><td class="mdescRight">Decode a generic binary value as-is, as described by dest.info(), ad set it as value for <em>dest</em>. <a href="#afee77cce5e3a3903cae805295e6c79cd">More...</a><br /></td></tr>
<tr class="separator:afee77cce5e3a3903cae805295e6c79cd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad292e24230a885c3e6108748e9f16b12"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#ad292e24230a885c3e6108748e9f16b12">decode_uncompressed_bitmap</a> (unsigned size)</td></tr>
<tr class="memdesc:ad292e24230a885c3e6108748e9f16b12"><td class="mdescLeft"> </td><td class="mdescRight">Decode an uncompressed bitmap of <em>size</em> bits. <a href="#ad292e24230a885c3e6108748e9f16b12">More...</a><br /></td></tr>
<tr class="separator:ad292e24230a885c3e6108748e9f16b12"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad0027970f36dba1b01621ff51f3cf0e5"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#ad0027970f36dba1b01621ff51f3cf0e5">decode_compressed_bitmap</a> (unsigned size)</td></tr>
<tr class="memdesc:ad0027970f36dba1b01621ff51f3cf0e5"><td class="mdescLeft"> </td><td class="mdescRight">Decode a "compressed" bitmap of <em>size</em> bits. <a href="#ad0027970f36dba1b01621ff51f3cf0e5">More...</a><br /></td></tr>
<tr class="separator:ad0027970f36dba1b01621ff51f3cf0e5"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a27d03edd90b5ffdc591787c4094a357b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a27d03edd90b5ffdc591787c4094a357b"></a>
const uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a27d03edd90b5ffdc591787c4094a357b">data</a></td></tr>
<tr class="memdesc:a27d03edd90b5ffdc591787c4094a357b"><td class="mdescLeft"> </td><td class="mdescRight">Input buffer. <br /></td></tr>
<tr class="separator:a27d03edd90b5ffdc591787c4094a357b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a91fe25c7719986bc004738b7f82a89ab"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a91fe25c7719986bc004738b7f82a89ab"></a>
size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a91fe25c7719986bc004738b7f82a89ab">data_len</a></td></tr>
<tr class="memdesc:a91fe25c7719986bc004738b7f82a89ab"><td class="mdescLeft"> </td><td class="mdescRight">Input buffer size. <br /></td></tr>
<tr class="separator:a91fe25c7719986bc004738b7f82a89ab"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a157ae41028b30944b77350577ed1e674"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a157ae41028b30944b77350577ed1e674">fname</a> = nullptr</td></tr>
<tr class="memdesc:a157ae41028b30944b77350577ed1e674"><td class="mdescLeft"> </td><td class="mdescRight">Input file name (optional). <a href="#a157ae41028b30944b77350577ed1e674">More...</a><br /></td></tr>
<tr class="separator:a157ae41028b30944b77350577ed1e674"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a34fe1e20e64b0c1ba0ae83c4eccc4402"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a34fe1e20e64b0c1ba0ae83c4eccc4402">start_offset</a> = 0</td></tr>
<tr class="memdesc:a34fe1e20e64b0c1ba0ae83c4eccc4402"><td class="mdescLeft"> </td><td class="mdescRight">File offset of the start of the message. <a href="#a34fe1e20e64b0c1ba0ae83c4eccc4402">More...</a><br /></td></tr>
<tr class="separator:a34fe1e20e64b0c1ba0ae83c4eccc4402"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6a83b4e0288790827100cb30121f71aa"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6a83b4e0288790827100cb30121f71aa"></a>
unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a6a83b4e0288790827100cb30121f71aa">s4_cursor</a> = 0</td></tr>
<tr class="memdesc:a6a83b4e0288790827100cb30121f71aa"><td class="mdescLeft"> </td><td class="mdescRight">Offset of the byte we are currently decoding. <br /></td></tr>
<tr class="separator:a6a83b4e0288790827100cb30121f71aa"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aec3ce8d51ed493dd567ec07190790254"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aec3ce8d51ed493dd567ec07190790254"></a>
uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#aec3ce8d51ed493dd567ec07190790254">pbyte</a> = 0</td></tr>
<tr class="memdesc:aec3ce8d51ed493dd567ec07190790254"><td class="mdescLeft"> </td><td class="mdescRight">Byte we are currently decoding. <br /></td></tr>
<tr class="separator:aec3ce8d51ed493dd567ec07190790254"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a41875e7f3f670d44f14a58ff917d219b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a41875e7f3f670d44f14a58ff917d219b"></a>
int </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a41875e7f3f670d44f14a58ff917d219b">pbyte_len</a> = 0</td></tr>
<tr class="memdesc:a41875e7f3f670d44f14a58ff917d219b"><td class="mdescLeft"> </td><td class="mdescRight">Bits left in pbyte to decode. <br /></td></tr>
<tr class="separator:a41875e7f3f670d44f14a58ff917d219b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3623e40d33a8d008164006bade149e60"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3623e40d33a8d008164006bade149e60"></a>
unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a3623e40d33a8d008164006bade149e60">sec</a> [6]</td></tr>
<tr class="memdesc:a3623e40d33a8d008164006bade149e60"><td class="mdescLeft"> </td><td class="mdescRight">Offsets of the start of BUFR sections. <br /></td></tr>
<tr class="separator:a3623e40d33a8d008164006bade149e60"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a0e793046cdfae6ffaf976e444ad1bcc8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0e793046cdfae6ffaf976e444ad1bcc8"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a0e793046cdfae6ffaf976e444ad1bcc8">scan_section_length</a> (unsigned sec_no)</td></tr>
<tr class="memdesc:a0e793046cdfae6ffaf976e444ad1bcc8"><td class="mdescLeft"> </td><td class="mdescRight">Scan length of section <em>sec_no</em>, filling in the start of the next section in sec[sec_no + 1]. <br /></td></tr>
<tr class="separator:a0e793046cdfae6ffaf976e444ad1bcc8"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Binary buffer with bit-level read operations. </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a class="anchor" id="a689962bd302f91ecd617b492257d340e"></a>
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<td class="memname">wreport::buffers::BufrInput::BufrInput </td>
<td>(</td>
<td class="paramtype">const std::string & </td>
<td class="paramname"><em>in</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Wrap a string iinto a <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html" title="Binary buffer with bit-level read operations. ">BufrInput</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">in</td><td>String with the data to read </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="ac7174e27eaffcb32c5aa87798fc261a6"></a>
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<td class="memname">void void void void wreport::buffers::BufrInput::check_available_data </td>
<td>(</td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>pos</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>datalen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>expected</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Check that the input buffer contains at least <em>datalen</em> characters after offset <em>pos</em>; throw <a class="el" href="structwreport_1_1error__parse.html" title="Report an error when parsing informations. ">error_parse</a> otherwise. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pos</td><td>Starting offset of the required data </td></tr>
<tr><td class="paramname">datalen</td><td>Required amount of data expected starting from <em>pos</em> </td></tr>
<tr><td class="paramname">expected</td><td>name of what we are about to decode, used for generating nice error messages </td></tr>
</table>
</dd>
</dl>
<p>Referenced by <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a82f9fb083ab4e35ebdb8b25eb514235f">get_bits()</a>.</p>
</div>
</div>
<a class="anchor" id="a0458805281cdc0d9e034f2e19b2308ac"></a>
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<td class="memname">void wreport::buffers::BufrInput::check_available_data </td>
<td>(</td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>section</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>pos</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>datalen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>expected</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Check that the input buffer contains at least <em>datalen</em> characters after offset <em>pos</em> in section <em>section</em>; throw <a class="el" href="structwreport_1_1error__parse.html" title="Report an error when parsing informations. ">error_parse</a> otherwise. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">section</td><td>Number of the section to check </td></tr>
<tr><td class="paramname">pos</td><td>Starting offset inside the section of the required data </td></tr>
<tr><td class="paramname">datalen</td><td>Required amount of data expected starting from <em>pos</em> </td></tr>
<tr><td class="paramname">expected</td><td>Name of what we are about to decode, used for generating nice error messages </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="afee77cce5e3a3903cae805295e6c79cd"></a>
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<td class="memname">void wreport::buffers::BufrInput::decode_binary </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classwreport_1_1Var.html">Var</a> & </td>
<td class="paramname"><em>dest</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Decode a generic binary value as-is, as described by dest.info(), ad set it as value for <em>dest</em>. </p>
<p>It is assumed that <em>dest</em> is not set, therefore in case we decode a missing value, <em>dest</em> will not be touched.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dest</td><td>Variable which holds the decoding information and that will hold the decoded value </td></tr>
</table>
</dd>
</dl>
<p>Referenced by <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a7b54bb7ad52c377a3f18b19d31d8aeb9">decode_compressed_number()</a>.</p>
</div>
</div>
<a class="anchor" id="ad0027970f36dba1b01621ff51f3cf0e5"></a>
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<td class="memname">std::string wreport::buffers::BufrInput::decode_compressed_bitmap </td>
<td>(</td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>size</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Decode a "compressed" bitmap of <em>size</em> bits. </p>
<p>The result will be a string <em>size</em> bytes long, with a '+' where the bitmap reports that data is present, and a '-' where the bitmap reports that data is not present.</p>
<p>It would be more correct to say that it decodes a bitmap from a compressed BUFR message, because bitmaps in compressed messages are actually encoded with 7 bits per bit instead of one, because after each bit they need to send 6 bits saying that it will be followed by 0 bits of difference values. </p>
<p>References <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a82f9fb083ab4e35ebdb8b25eb514235f">get_bits()</a>, and <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#af2ae028b4aeb21a4a08ae0ca13a83d95">parse_error()</a>.</p>
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<td class="memname">void wreport::buffers::BufrInput::decode_compressed_number </td>
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<td class="paramname"><em>dest</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>base</em>, </td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>diffbits</em> </td>
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<p>Decode a compressed number as described by dest.info(), ad set it as value for <em>dest</em>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dest</td><td>Variable which holds the decoding information and that will hold the decoded value </td></tr>
<tr><td class="paramname">base</td><td>The base value for the compressed number </td></tr>
<tr><td class="paramname">diffbits</td><td>The number of bits used to encode the difference from <em>base</em> </td></tr>
</table>
</dd>
</dl>
<p>Referenced by <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a7b54bb7ad52c377a3f18b19d31d8aeb9">decode_compressed_number()</a>, and <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a82f9fb083ab4e35ebdb8b25eb514235f">get_bits()</a>.</p>
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<td class="memname">void wreport::buffers::BufrInput::decode_compressed_semantic_number </td>
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<td class="paramname"><em>dest</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>subsets</em> </td>
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<p>Decode a number as described by dest.info(), and set it as value for <em>dest</em>. </p>
<p>The number is decoded for <em>subsets</em> compressed datasets, and an exception is thrown if the values differ.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dest</td><td>Variable which holds the decoding information and that will hold the decoded value </td></tr>
<tr><td class="paramname">subsets</td><td>Number of subsets in the compressed data section </td></tr>
</table>
</dd>
</dl>
<p>Referenced by <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a7b54bb7ad52c377a3f18b19d31d8aeb9">decode_compressed_number()</a>.</p>
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<td class="memname">void wreport::buffers::BufrInput::decode_number </td>
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<p>Decode a number as described by dest.info(), and set it as value for <em>dest</em>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dest</td><td>Variable which holds the decoding information and that will hold the decoded value </td></tr>
</table>
</dd>
</dl>
<p>Referenced by <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a82f9fb083ab4e35ebdb8b25eb514235f">get_bits()</a>.</p>
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<td class="memname">bool wreport::buffers::BufrInput::decode_string </td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>bit_len</em>, </td>
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<td class="paramtype">char * </td>
<td class="paramname"><em>str</em>, </td>
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<td class="paramtype">size_t & </td>
<td class="paramname"><em>len</em> </td>
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<p>Read a string from the data section. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bit_len</td><td>Number of bits (not bytes) to read. It is normally a multiple of 8, and when it is not, the last character will contain the partial byte read. </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">str</td><td>Buffer where the string is written. Must be big enough to contain the longest string described by info, plus 2 bytes </td></tr>
<tr><td class="paramname">len</td><td>The string length </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>true if we decoded a real string, false if we decoded a missing string value </dd></dl>
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<td class="memname">void wreport::buffers::BufrInput::decode_string </td>
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<td class="paramname"><em>dest</em></td><td>)</td>
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<p>Decode a string as described by dest.info(), ad set it as value for <em>dest</em>. </p>
<p>It is assumed that <em>dest</em> is not set, therefore in case we decode a missing value, <em>dest</em> will not be touched.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dest</td><td>Variable which holds the decoding information and that will hold the decoded value </td></tr>
</table>
</dd>
</dl>
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<td class="memname">void wreport::buffers::BufrInput::decode_string </td>
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<td class="paramname"><em>dest</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>subsets</em> </td>
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<td></td>
<td>)</td>
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<p>Decode a string as described by dest.info(), and set it as value for <em>dest</em>. </p>
<p>The string is decoded for <em>subsets</em> compressed datasets, and an exception is thrown if the values differ.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dest</td><td>Variable which holds the decoding information and that will hold the decoded value </td></tr>
<tr><td class="paramname">subsets</td><td>Number of subsets in the compressed data section </td></tr>
</table>
</dd>
</dl>
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<td class="memname">std::string wreport::buffers::BufrInput::decode_uncompressed_bitmap </td>
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<td class="paramtype">unsigned </td>
<td class="paramname"><em>size</em></td><td>)</td>
<td></td>
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<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<p>Decode an uncompressed bitmap of <em>size</em> bits. </p>
<p>The result will be a string <em>size</em> bytes long, with a '+' where the bitmap reports that data is present, and a '-' where the bitmap reports that data is not present. </p>
<p>References <a class="el" href="classwreport_1_1buffers_1_1BufrInput.html#a82f9fb083ab4e35ebdb8b25eb514235f">get_bits()</a>.</p>
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<td class="memname">void wreport::buffers::BufrInput::scan_lead_sections </td>
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<p>Scan the message filling in the sec[] array of start offsets of sections 0 and 1. </p>
<p>We cannot scan past section 1 until we decode it, because we need to know if section 2 is present or not </p>
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<td class="memname">void wreport::buffers::BufrInput::scan_other_sections </td>
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<td class="paramtype">bool </td>
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<p>Scan the message filling in the sec[] array of section start offsets of all sections from 2 on. </p>
<p>It also initialises points s4_cursor to the begin of the data in section 4.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">has_optional</td><td>True if the optional section is present, false if it should be skipped. </td></tr>
</table>
</dd>
</dl>
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<h2 class="groupheader">Field Documentation</h2>
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<td class="memname">const char* wreport::buffers::BufrInput::fname = nullptr</td>
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<p>Input file name (optional). </p>
<p>If available, it will be used to generate better error messages.</p>
<p>If not available, it is NULL. </p>
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<td class="memname">size_t wreport::buffers::BufrInput::start_offset = 0</td>
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<p>File offset of the start of the message. </p>
<p>If available, it will be used to generate better error messages.</p>
<p>If not available, it is 0. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="bufr_8h_source.html">bufr.h</a></li>
</ul>
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