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
  28
  29
  30 /* This module */
  31 module AP_MODULE_DECLARE_DATA xmlbuilder_module;
  32
  33
  34 /* our config structure */
  35 typedef struct {
  36
  37         char* baseDir;                                  /* directory on disk where the DTD files live */
  38         char* defaultLocale;                    /* locale dir from config or default */
  39         char* defaultDtd;                               /* if defined, we load this DTD only */
  40         char* localeParam;                      /* the CGI param used to choose the locale dir dynamically */
  41         xsltStylesheetPtr postXSL;      /* if defined, run this XSL after parsing */
  42
  43 } xmlBuilderConfig;
  44
  45 typedef struct {
  46         xmlBuilderConfig* config;
  47         xmlDocPtr doc;
  48         osrfHash* entHash;
  49         osrfHash* dtdHash;
  50         osrfList* nodeList;
  51         int xmlError;
  52         char* xmlFile;
  53 } xmlBuilderContext;
  54
  55
  56
  57 xmlDocPtr xmlBuilderProcessFile( char* XMLFile, xmlBuilderConfig* config );
  58
  59 void xmlBuilderAddDtd( const char* sysId, xmlBuilderContext* context );
  60
  61
  62 /* SAX Callbacks */
  63 void xmlBuilderStartElement( void* blob, const xmlChar *name, const xmlChar **atts );
  64 void xmlBuilderEndElement( void* blob, const xmlChar* name );
  65 void xmlBuilderHandleCharacter(void* blob, const xmlChar *ch, int len);
  66 void xmlBuilderParseError( void* blob, const char* msg, ... );
  67 xmlEntityPtr xmlBuilderGetEntity( void* blob, const xmlChar* name );
  68 void xmlBuilderExtSubset( void* blob, const xmlChar* name, const xmlChar* extId, const xmlChar* sysId );
  69
  70 static xmlSAXHandler xmlBuilderSaxHandlerStruct = {
  71    NULL,                                                                /* internalSubset */
  72    NULL,                                                                /* isStandalone */
  73    NULL,                                                                /* hasInternalSubset */
  74    NULL,                                                                /* hasExternalSubset */
  75    NULL,                                                                /* resolveEntity */
  76    xmlBuilderGetEntity,                 /* getEntity */
  77    NULL,                                                        /* entityDecl */
  78    NULL,                                                                /* notationDecl */
  79    NULL,                                                                /* attributeDecl */
  80    NULL,                                                                /* elementDecl */
  81    NULL,                                                        /* unparsedEntityDecl */
  82    NULL,                                                                /* setDocumentLocator */
  83    NULL,                                                                /* startDocument */
  84    NULL,                                                                /* endDocument */
  85         xmlBuilderStartElement,         /* startElement */
  86         xmlBuilderEndElement,           /* endElement */
  87    NULL,                                                                /* reference */
  88         xmlBuilderHandleCharacter,      /* characters */
  89    NULL,                                                                /* ignorableWhitespace */
  90    NULL,                                                                /* processingInstruction */
  91    NULL,                                                                /* comment */
  92    xmlBuilderParseError,                /* xmlParserWarning */
  93    xmlBuilderParseError,                /* xmlParserError */
  94    NULL,                                                                /* xmlParserFatalError : unused */
  95    NULL,                                                                /* getParameterEntity */
  96    NULL,                                                                /* cdataBlock; */
  97    xmlBuilderExtSubset,                 /* externalSubset; */
  98    1,
  99    NULL,
 100    NULL,                                                                /* startElementNs */
 101    NULL,                                                                /* endElementNs */
 102         NULL                                                            /* xmlStructuredErrorFunc */
 103 };
 104 static const xmlSAXHandlerPtr xmlBuilderSaxHandler = &xmlBuilderSaxHandlerStruct;
 105
 106