o 5)i!@svddlZddlZddlZddlZddlmZmZmZmZddl m Z e e Z Gdddee ZGdddZeZdS)N)ListDictTupleLiteral)Enumc@seZdZdZdZdZdS) OutputFormatz.Supported output formats for LaTeX conversion.svghtmlN)__name__ __module__ __qualname____doc__SVGHTMLrr:/var/www/html/oms-prod-mcp/app/services/latex_converter.pyr src@seZdZdZdZdejdfdededefdd Z d efd d Z defd dZ dede e eeeffddZde e eefde efddZdefddZddededefddZdS)LatexConverterz|Efficient LaTeX converter using batched MathJax processing. Supports both SVG and HTML (CHTML) output formats. nodez&node_scripts/batch_latex_converter.mjsi script_path output_format cache_sizecCs||_||_d|_dS)z Initialize the converter. Args: script_path: Path to the Node.js script output_format: Output format - 'svg' or 'html' cache_size: Unused in this implementation (kept for compatibility) N)rr _chtml_styles)selfrrrrrr__init__s zLatexConverter.__init__ node_pathcC ||_|S)z'Use the node path to execute the script)r)rrrrrwith_node_path+zLatexConverter.with_node_pathcCr)z#Set the output format (svg or html))r)rrrrrwith_output_format0rz!LatexConverter.with_output_format html_contentreturnc Csg}ddg}|D]#\}}t||tjD]}|d}|d}|||dfqqddg} | D]#\}}t||tjD]}|d}|d}|||dfq>q2td ||S) z Find all LaTeX formulas in HTML content. Returns: List of tuples (placeholder, latex, is_display) )z \$\$(.*?)\$\$z$$)z \\\[(.*?)\\\]z\[\]rT)z#(?sz.LatexConverter.convert_batch..)keyzError running Node.js script: cg|] }dtdqSF)successerrorstr.0_err z0LatexConverter.convert_batch..NzError parsing output: crArBrErGrJrrrLrM)rvaluerr enumerater( subprocessrunrrjsondumpsloadsstdoutr)r* isinstancelistgetrsortCalledProcessErrorprintstderrrDJSONDecodeError) rr+ input_datair1r7resultresponseoutputsrrJr convert_batchZsP        zLatexConverter.convert_batchcCs |jpdS)z Get the CHTML styles required for HTML output. Returns: CSS styles as a string, or empty string if not available )r)rrrrget_chtml_styless zLatexConverter.get_chtml_stylesT use_cachecCs||}|s |Si}g}|D]\}}}||f} | |vr%d|| <|| q|rZ||} t|| D]'\\}}} | drR| dpJ| dpJ| d} | |||f<q2td|q2|} i}|D]#\}}}|||f} | r|}|rtdnd}d |d | d }|||<q`t|td d }|D] }| |||} q|j t j kr|j rd|j d}d| vr| d|d} | Sd| vr| dd|} | S)a> Process HTML content and replace all LaTeX formulas with SVGs or HTML. Args: html_content: HTML content with LaTeX formulas use_cache: Unused in this implementation (kept for compatibility) Returns: HTML content with LaTeX replaced by SVG or HTML NrCoutputrr zFailed to convert: z math-displayz math-inlinez zT)r@reversezzz)r3r(rcziprXr[sortedkeyslenreplacerrrr)rrrf formula_dataunique_formulas_mapunique_formulas_listrIr1r7r@r<r`rgprocessed_html replacementsr0 is_display wrapper_classwrapped_outputsorted_replacements styles_tagrrr process_htmlsN    zLatexConverter.process_htmlN)T)r r r r rrrrFintrrrrrboolr3rrcrerxrrrrrs&  "%A r)rRrPr#loggingtypingrrrrenumr getLoggerr r)rFrrLatexToSVGConverterrrrrs  ^