Open-ILS/src/apachemods/mod_xmlbuilder.h

   1 #include "apachetools.h"
   2 #include "opensrf/xml_utils.h"
   3 #include "opensrf/osrf_hash.h"
   4 #include "opensrf/osrf_list.h"
   5 #include <libxslt/xslt.h>
   6 #include <libxslt/transform.h>
   7 #include <libxslt/xsltutils.h>
   8
   9 #define MODULE_NAME     "xmlbuilder_module"     /* our module name */
  10
  11 /* ------------------------------------------------------------------------------ */
  12 /* Apache config items.  These are defaults which are only  used if they are not
  13         overriden by the Apache config or URL where appropriate */
  14 /* ------------------------------------------------------------------------------ */
  15 /* The default directory where the DTD files are stored */
  16 #define MODXMLB_DEFAULT_LOCALE_PARAM    "locale"
  17 #define MODXMLB_DEFAULT_BASE_DIR                        "/openils/var/web/locale"
  18 #define MODXMLB_DEFAULT_LOCALE                  "en-US"
  19 #define MODXMLB_DEFAULT_DTD                             NULL /* if defined, use this DTD only */
  20 /* ------------------------------------------------------------------------------ */
  21
  22 #define MODXMLB_CONFIG_LOCALE           "XMLBuilderDefaultLocale"
  23 #define MODXMLB_CONFIG_BASE_DIR         "XMLBuilderBaseDir"
  24 #define MODXMLB_CONFIG_POST_XSL                 "XMLBuilderPostXSL"
  25 #define MODXMLB_CONFIG_DEFAULT_DTD      "XMLBuilderDefaultDTD"
  26 #define MODXMLB_CONFIG_LOCALE_PARAM "XMLBuilderLocaleParam"
  27 #define MODXMLB_CONFIG_CONTENT_TYPE "XMLBuilderContentType"
  28
  29
  30
  31 /* This module */
  32 module AP_MODULE_DECLARE_DATA xmlbuilder_module;
  33
  34
  35 /* our config structure */
  36 typedef struct {
  37
  38         char* baseDir;                                  /* directory on disk where the DTD files live */
  39         char* defaultLocale;                    /* locale dir from config or default */
  40         char* defaultDtd;                               /* if defined, we load this DTD only */
  41         char* localeParam;                      /* the CGI param used to choose the locale dir dynamically */
  42         char* contentType;                      /* what content type to serve our files as (derfault is text/html) */
  43         xsltStylesheetPtr postXSL;      /* if defined, run this XSL after parsing */
  44
  45 } xmlBuilderConfig;
  46
  47 typedef struct {
  48         xmlBuilderConfig* config;
  49         xmlDocPtr doc;
  50         osrfHash* entHash;
  51         osrfHash* dtdHash;
  52         osrfList* nodeList;
  53         int xmlError;
  54         char* xmlFile;
  55 } xmlBuilderContext;
  56
  57
  58
  59 xmlDocPtr xmlBuilderProcessFile( char* XMLFile, xmlBuilderConfig* config );
  60
  61 void xmlBuilderAddDtd( const char* sysId, xmlBuilderContext* context );
  62 void xmlBuilderAddAtts( xmlBuilderContext* ctx, xmlNodePtr ptr, const xmlChar** atts );
  63
  64 /* SAX Callbacks */
  65 void xmlBuilderStartElement( void* blob, const xmlChar *name, const xmlChar **atts );
  66 void xmlBuilderEndElement( void* blob, const xmlChar* name );
  67 void xmlBuilderHandleCharacter(void* blob, const xmlChar *ch, int len);
  68 void xmlBuilderParseError( void* blob, const char* msg, ... );
  69 xmlEntityPtr xmlBuilderGetEntity( void* blob, const xmlChar* name );
  70 void xmlBuilderExtSubset( void* blob, const xmlChar* name, const xmlChar* extId, const xmlChar* sysId );
  71 void xmlBuilderProcInstruction( void* blob, const xmlChar* name, const xmlChar* data );
  72
  73
  74 static xmlSAXHandler xmlBuilderSaxHandlerStruct = {
  75    NULL,                                                                /* internalSubset */
  76    NULL,                                                                /* isStandalone */
  77    NULL,                                                                /* hasInternalSubset */
  78    NULL,                                                                /* hasExternalSubset */
  79         NULL,                                                           /* resolveEntity */
  80    xmlBuilderGetEntity,                 /* getEntity */
  81    NULL,                                                        /* entityDecl */
  82    NULL,                                                                /* notationDecl */
  83    NULL,                                                                /* attributeDecl */
  84    NULL,                                                                /* elementDecl */
  85    NULL,                                                        /* unparsedEntityDecl */
  86    NULL,                                                                /* setDocumentLocator */
  87    NULL,                                                                /* startDocument */
  88    NULL,                                                                /* endDocument */
  89         xmlBuilderStartElement,         /* startElement */
  90         xmlBuilderEndElement,           /* endElement */
  91    NULL,                                                                /* reference */
  92         xmlBuilderHandleCharacter,      /* characters */
  93    NULL,                                                                /* ignorableWhitespace */
  94    xmlBuilderProcInstruction, /* processingInstruction */
  95    NULL,                                                                /* comment */
  96    xmlBuilderParseError,                /* xmlParserWarning */
  97    xmlBuilderParseError,                /* xmlParserError */
  98    NULL,                                                                /* xmlParserFatalError : unused */
  99    NULL,                                                                /* getParameterEntity */
 100    NULL,                                                                /* cdataBlock; */
 101    xmlBuilderExtSubset,                 /* externalSubset; */
 102    1,
 103    NULL,
 104    NULL,                                                                /* startElementNs */
 105    NULL,                                                                /* endElementNs */
 106         NULL                                                            /* xmlStructuredErrorFunc */
 107 };
 108 static const xmlSAXHandlerPtr xmlBuilderSaxHandler = &xmlBuilderSaxHandlerStruct;
 109
 110