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<?php
// Project: Web Reference Database (refbase) <http://www.refbase.net>
// Copyright: Matthias Steffens <mailto:refbase@extracts.de> and the file's
// original author(s).
//
// This code is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY. Please see the GNU General Public
// License for more details.
//
// File: ./cite/formats/cite_latex.php
// Repository: $HeadURL: file:///svn/p/refbase/code/branches/bleeding-edge/cite/formats/cite_latex.php $
// Author(s): Matthias Steffens <mailto:refbase@extracts.de>
//
// Created: 10-Jun-06, 02:32
// Modified: $Date: 2017-04-13 02:00:18 +0000 (Thu, 13 Apr 2017) $
// $Author: karnesky $
// $Revision: 1416 $
// This is a citation format file (which must reside within the 'cite/formats/' sub-directory of your refbase root directory). It contains a
// version of the 'citeRecords()' function that outputs a reference list from selected records in LaTeX format.
//
// --------------------------------------------------------------------
// --- BEGIN CITATION FORMAT ---
function citeRecords($result, $rowsFound, $query, $queryURL, $showQuery, $showLinks, $rowOffset, $showRows, $previousOffset, $nextOffset, $wrapResults, $citeStyle, $citeOrder, $citeType, $orderBy, $headerMsg, $userID, $viewType)
{
global $contentTypeCharset; // defined in 'ini.inc.php'
global $client;
// The array '$transtab_refbase_latex' contains search & replace patterns for conversion from refbase markup to LaTeX markup & entities.
// Converts refbase fontshape markup (italic, bold) into LaTeX commands of the 'textcomp' package, super- and subscript as well as greek
// symbols get converted into the respective commands in math mode. You may need to adopt the LaTeX markup to suit your individual needs.
global $transtab_refbase_latex; // defined in 'transtab_refbase_latex.inc.php'
// The arrays '$transtab_latin1_latex' and '$transtab_unicode_latex' provide translation tables for best-effort conversion of higher ASCII
// characters from ISO-8859-1 (or Unicode, respectively) to LaTeX entities.
global $transtab_latin1_latex; // defined in 'transtab_latin1_latex.inc.php'
global $transtab_unicode_latex; // defined in 'transtab_unicode_latex.inc.php'
// Initialize array variables:
$yearsArray = array();
$typeTitlesArray = array();
// Define inline text markup to be used by the 'citeRecord()' function:
$markupPatternsArray = array("bold-prefix" => "\\textbf{",
"bold-suffix" => "}",
"italic-prefix" => "\\textit{",
"italic-suffix" => "}",
"underline-prefix" => "\\ul{", // the '\ul' command requires '\usepackage{soul}'
"underline-suffix" => "}",
"endash" => "--", // or use '{\\textendash}'
"emdash" => "---", // or use '{\\textemdash}'
"ampersand" => "&", // conversion of ampersands is done below, after the citation has been generated
"double-quote" => '"',
"double-quote-left" => "{\\textquotedblleft}",
"double-quote-right" => "{\\textquotedblright}",
"single-quote" => "'", // same as for ampersands
"single-quote-left" => "{\\textquoteleft}",
"single-quote-right" => "{\\textquoteright}",
"less-than" => "<",
"greater-than" => ">",
"newline" => "\n\n"
);
// Defines search & replace 'actions' that will be applied upon LaTeX output to all those refbase fields that are listed
// in the corresponding 'fields' element:
$latexSearchReplaceActionsArray = array(
array('fields' => array("title", "publication", "abbrev_journal", "address", "keywords", "abstract", "orig_title", "series_title", "abbrev_series_title", "notes"),
'actions' => $transtab_refbase_latex
)
);
// For CLI queries, we'll allow paging thru the result set, i.e. we honour the values of the CLI options '-S|--start' ('$rowOffset')
// and '-R|--rows' ('$showRows') ('$rowOffset' and '$showRows' are re-assigned in function 'seekInMySQLResultsToOffset()' in 'include.inc.php')
if (preg_match("/^cli/i", $client)) // if the query originated from a command line client such as the "refbase" CLI client ("cli-refbase-1.0")
$showMaxRows = $showRows; // show only rows up to the value given in '$showRows'
else
$showMaxRows = $rowsFound; // otherwise show all rows
// Setup the basic LaTeX document structure:
$latexData = "%&LaTeX\n"
. "\\documentclass{article}\n\n";
// NOTE: the "Vancouver" & "Harvard 1" citation styles make use of the '\ul' command which requires '\usepackage{soul}'
// TODO: figure out a better logic when to include the '\usepackage{soul}' statement (or should we simply always include it?)
if (preg_match("/^(Vancouver|Harvard 1)$/i", $citeStyle))
$latexData .= "\\usepackage{soul}\n";
if ($contentTypeCharset == "UTF-8")
$latexData .= "\\usepackage[utf8]{inputenc}\n";
else
$latexData .= "\\usepackage[latin1]{inputenc}\n";
$latexData .= "\\usepackage[T1]{fontenc}\n"
. "\\usepackage{textcomp}\n\n";
$latexData .= "\\begin{document}\n\n";
// Header:
if (!empty($headerMsg))
{
// Remove any colon (":") from end of header message:
$headerMsg = trimTextPattern($headerMsg, ":", false, true); // function 'trimTextPattern()' is defined in 'include.inc.php'
// Decode any HTML entities:
// (these may occur in the header message e.g. if the user's preferred display language is not English but German or French, etc)
$headerMsg = decodeHTML($contentTypeCharset, $headerMsg); // function 'decodeHTML()' is defined in 'include.inc.php', and '$contentTypeCharset' is defined in 'ini.inc.php'
// Convert refbase markup in the header message into appropriate LaTeX markup & entities:
$headerMsg = searchReplaceText($transtab_refbase_latex, $headerMsg, true); // function 'searchReplaceText()' is defined in 'include.inc.php'
// Attempt to convert higher ASCII chars (i.e., characters with an ASCII value of >= 128) in the header message to their corresponding LaTeX entities:
if ($contentTypeCharset == "UTF-8")
$headerMsg = searchReplaceText($transtab_unicode_latex, $headerMsg, false);
else
$headerMsg = searchReplaceText($transtab_latin1_latex, $headerMsg, false);
$latexData .= "\\title{" . $headerMsg . "}\n\n"
. "\\maketitle\n\n";
}
if (!preg_match("/type|year/i", $citeOrder))
$latexData .= "\\begin{thebibliography}{" . $showMaxRows . "}\n\n";
// LOOP OVER EACH RECORD:
// Fetch one page of results (or less if on the last page)
// (i.e., upto the limit specified in $showMaxRows) fetch a row into the $row array and ...
for ($rowCounter=0; (($rowCounter < $showMaxRows) && ($row = @ mysqli_fetch_array($result))); $rowCounter++)
{
foreach ($row as $rowFieldName => $rowFieldValue)
// Apply search & replace 'actions' to all fields that are listed in the 'fields' element of the arrays contained in '$latexSearchReplaceActionsArray':
foreach ($latexSearchReplaceActionsArray as $fieldActionsArray)
if (in_array($rowFieldName, $fieldActionsArray['fields']))
$row[$rowFieldName] = searchReplaceText($fieldActionsArray['actions'], $row[$rowFieldName], true); // function 'searchReplaceText()' is defined in 'include.inc.php'
// Order attributes according to the chosen output style & record type:
$record = citeRecord($row, $citeStyle, $citeType, $markupPatternsArray, false); // function 'citeRecord()' is defined in the citation style file given in '$citeStyleFile' (which, in turn, must reside in the 'cite' directory of the refbase root directory), see function 'generateCitations()'
// Print out the current record:
if (!empty($record)) // unless the record buffer is empty...
{
// Print any section heading(s):
if (preg_match("/year|type/i", $citeOrder))
{
list($yearsArray, $typeTitlesArray, $sectionHeading) = generateSectionHeading($yearsArray, $typeTitlesArray, $row, $citeOrder, "", "", "\\section*{", "}\n\n", "\\subsection*{", "}\n\n"); // function 'generateSectionHeading()' is defined in 'cite.inc.php'
$latexData .= $sectionHeading;
}
// Attempt to convert higher ASCII chars (i.e., characters with an ASCII value of >= 128) to their corresponding LaTeX entities:
if ($contentTypeCharset == "UTF-8")
$recordEncoded = searchReplaceText($transtab_unicode_latex, $record, false); // function 'searchReplaceText()' is defined in 'include.inc.php'
else
$recordEncoded = searchReplaceText($transtab_latin1_latex, $record, false);
// Write LaTeX paragraph:
if (!preg_match("/type|year/i", $citeOrder))
{
// This is a stupid hack that maps the names of the '$row' array keys to those used
// by the '$formVars' array (which is required by function 'generateCiteKey()')
// (eventually, the '$formVars' array should use the MySQL field names as names for its array keys)
$formVars = buildFormVarsArray($row); // function 'buildFormVarsArray()' is defined in 'include.inc.php'
// Generate or extract the cite key for this record:
// NOTE: currently, the following placeholders are not available for citation output:
// <:keywords:>, <:issn:>, <:area:>, <:notes:>, <:userKeys:>
// if the cite key specification uses one of these placeholders, it will get ignored
$citeKey = generateCiteKey($formVars); // function 'generateCiteKey()' is defined in 'include.inc.php'
if (!empty($citeKey))
// Use the custom cite key that's been build according to the user's individual export options:
$latexData .= "\\bibitem{" . $citeKey . "} ";
else
// The '\bibitem' command requires a cite key, which is why we'll include the record's serial number
// even when the user's export options specify 'export_cite_keys=no' or 'autogenerate_cite_keys=no':
$latexData .= "\\bibitem{" . $row['serial'] . "} ";
}
$latexData .= $recordEncoded . "\n\n"; // create paragraph with encoded record text
}
}
if (!preg_match("/type|year/i", $citeOrder))
$latexData .= "\\end{thebibliography}\n\n";
$latexData .= "\\end{document}\n\n";
return $latexData;
}
// --- END CITATION FORMAT ---
?>