Markos Zaharioudakis has proposed merging lp:~zorba-coders/zorba/markos-scratch 
into lp:zorba.

Commit message:
added a DynamicContextImpl::setVariable() function + cosmetic

Requested reviews:
  Markos Zaharioudakis (markos-za)

For more details, see:
https://code.launchpad.net/~zorba-coders/zorba/markos-scratch/+merge/178011

added a DynamicContextImpl::setVariable() function + cosmetic
-- 
https://code.launchpad.net/~zorba-coders/zorba/markos-scratch/+merge/178011
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=== modified file 'include/zorba/dynamic_context.h'
--- include/zorba/dynamic_context.h	2013-06-11 23:38:49 +0000
+++ include/zorba/dynamic_context.h	2013-08-01 08:00:47 +0000
@@ -68,6 +68,25 @@
       const String& aQName,
       const Item& aItem) = 0;
 
+  /** 
+   * \brief Defines the external variable identified by an expanded QName and
+   * assigns it the value of aItem.
+   *
+   * The named external variable may be located in the main query or in any
+   * modules imported directly or indirectly by the query.
+   *
+   * @param aNamespace the namespace URI of the variable's expanded QName
+   * @param aLocalname the local name of the variable's expanded QName
+   * @param aItem the Item that is used as value for the variable.
+   * @return true if the variable has been set successfully, false otherwise.
+   * @throw ZorbaException if an error occured (e.g. the given Item is not valid).
+   */
+  virtual bool
+  setVariable(
+      const String& inNamespace,
+      const String& inLocalname,
+      const Item& inValue) = 0;
+
   /**
    * \brief Defines the external variable identified by aQName and assigns it
    * the sequence that is returned by evaluating aIterator.

=== modified file 'src/api/dynamiccontextimpl.cpp'
--- src/api/dynamiccontextimpl.cpp	2013-06-18 23:53:59 +0000
+++ src/api/dynamiccontextimpl.cpp	2013-08-01 08:00:47 +0000
@@ -34,6 +34,8 @@
 #include "api/xqueryimpl.h"
 #include "api/resultiteratorimpl.h"
 #include "api/storeiteratorimpl.h"
+//#include "api/item_iter_query_result.h"
+//#include "api/item_iter_store.h"
 #include "api/dynamiccontextimpl.h"
 
 #include "compiler/parser/query_loc.h"
@@ -231,6 +233,55 @@
 
 ********************************************************************************/
 bool DynamicContextImpl::setVariable(
+    const String& inVarName,
+    const Iterator_t& inValue)
+{
+  ZORBA_DCTX_TRY
+  {
+    checkNoIterators();
+
+    if (!inValue.get())
+    {
+      throw ZORBA_EXCEPTION(zerr::ZAPI0014_INVALID_ARGUMENT,
+      ERROR_PARAMS("null", ZED( BadIterator)));
+    }
+
+    const zstring& varName = Unmarshaller::getInternalString(inVarName);
+    store::Iterator_t value = Unmarshaller::getInternalIterator(inValue.get());
+
+    VarInfo* var = NULL;
+
+    try
+    {
+      var = get_var_info(varName);
+    }
+    catch (ZorbaException const& e)
+    {
+      // Normally, we should be throwing an exception if the variable has not
+      // been declared inside the xquery program, but this cases many failures
+      // with the w3c XQTS.
+      if (e.diagnostic() == err::XPST0008)
+      {
+        return false;
+      }
+      throw;
+    }
+
+    ulong varId = var->getId();
+
+    theCtx->add_variable(varId, value);
+
+    return true;
+  }
+  ZORBA_DCTX_CATCH
+  return false;
+}
+
+
+/****************************************************************************//**
+
+********************************************************************************/
+bool DynamicContextImpl::setVariable(
     const String& inNamespace,
     const String& inLocalname,
     const Iterator_t& inValue)
@@ -247,6 +298,7 @@
 
     const zstring& nameSpace = Unmarshaller::getInternalString(inNamespace);
     const zstring& localName = Unmarshaller::getInternalString(inLocalname);
+
     store::Iterator_t value = Unmarshaller::getInternalIterator(inValue.get());
 
     VarInfo* var = NULL;
@@ -282,6 +334,53 @@
 
 ********************************************************************************/
 bool DynamicContextImpl::setVariable(
+    const String& inNamespace,
+    const String& inLocalname,
+    const Item& inValue)
+{
+  ZORBA_DCTX_TRY
+  {
+    checkNoIterators();
+
+    const zstring& nameSpace = Unmarshaller::getInternalString(inNamespace);
+    const zstring& localName = Unmarshaller::getInternalString(inLocalname);
+
+    store::Item_t value(Unmarshaller::getInternalItem(inValue));
+    checkItem(value);
+
+    VarInfo* var = NULL;
+
+    try
+    {
+      var = get_var_info(nameSpace, localName);
+    }
+    catch (ZorbaException const& e)
+    {
+      // Normally, we should be throwing an exception if the variable has not
+      // been declared inside the xquery program, but this causes many failures
+      // with the w3c XQTS.
+      if (e.diagnostic() == err::XPST0008)
+      {
+        return false;
+      }
+      throw;
+    }
+
+    ulong varId = var->getId();
+
+    theCtx->add_variable(varId, value);
+
+    return true;
+  }
+  ZORBA_DCTX_CATCH
+  return false;
+}
+
+
+/****************************************************************************//**
+
+********************************************************************************/
+bool DynamicContextImpl::setVariable(
     const String& inVarName,
     const Item& inValue)
 {
@@ -291,103 +390,68 @@
 
     // unmarshall the string and the item
     const zstring& varName = Unmarshaller::getInternalString(inVarName);
+
     store::Item_t value(Unmarshaller::getInternalItem(inValue));
-    ZorbaImpl::checkItem(value);
-
-    // For string items, check that the value is a valid Unicode codepoint sequence
+    checkItem(value);
+
+    VarInfo* var = NULL;
+
+    try
+    {
+      var = get_var_info(varName);
+    }
+    catch (ZorbaException const& e)
+    {
+      // Normally, we should be throwing an exception if the variable has not
+      // been declared inside the xquery program, but this cases many failures
+      // with the w3c XQTS.
+      if (e.diagnostic() == err::XPST0008)
+      {
+        return false;
+      }
+      throw;
+    }
+
+    ulong varId = var->getId();
+
+    theCtx->add_variable(varId, value);
+
+    return true;
+  }
+  ZORBA_DCTX_CATCH
+  return false;
+}
+
+
+/****************************************************************************//**
+
+********************************************************************************/
+void DynamicContextImpl::checkItem(const store::Item_t& item)
+{
+  if (!item)
+  {
+    throw ZORBA_EXCEPTION(zerr::ZAPI0014_INVALID_ARGUMENT,
+    ERROR_PARAMS("null", ZED(BadItem)));
+  }
+
+  // For string items, check that the value is a valid Unicode codepoint sequence
+  if (item->isStreamable() == false && item->isAtomic())
+  {
     const char* invalid_char;
 
-    if (value->isStreamable() == false && value->isAtomic())
-    {
-      store::SchemaTypeCode itemTypeCode = value->getTypeCode();
-
-      if (TypeOps::is_subtype(itemTypeCode, store::XS_STRING) &&
-          (invalid_char = utf8::validate(value->getStringValue().c_str())) != NULL)
-      {
-        throw XQUERY_EXCEPTION(err::FOCH0001,
-        ERROR_PARAMS(zstring("#x") +
-        BUILD_STRING(std::uppercase << std::hex
-                     << (static_cast<unsigned int>(*invalid_char) & 0xFF)) ));
-      }
-    }
-
-    VarInfo* var = NULL;
-
-    try
-    {
-      var = get_var_info(varName);
-    }
-    catch (ZorbaException const& e)
-    {
-      // Normally, we should be throwing an exception if the variable has not
-      // been declared inside the xquery program, but this cases many failures
-      // with the w3c XQTS.
-      if (e.diagnostic() == err::XPST0008)
-      {
-        return false;
-      }
-      throw;
-    }
-
-    ulong varId = var->getId();
-
-    // add it to the internal context
-    theCtx->add_variable(varId, value);
-
-    return true;
-  }
-  ZORBA_DCTX_CATCH
-  return false;
-}
-
-
-/****************************************************************************//**
-
-********************************************************************************/
-bool DynamicContextImpl::setVariable(
-    const String& inVarName,
-    const Iterator_t& inValue)
-{
-  ZORBA_DCTX_TRY
-  {
-    checkNoIterators();
-
-    if (!inValue.get())
-    {
-      throw ZORBA_EXCEPTION(zerr::ZAPI0014_INVALID_ARGUMENT,
-      ERROR_PARAMS("null", ZED( BadIterator)));
-    }
-
-    const zstring& varName = Unmarshaller::getInternalString(inVarName);
-    store::Iterator_t value = Unmarshaller::getInternalIterator(inValue.get());
-
-    VarInfo* var = NULL;
-
-    try
-    {
-      var = get_var_info(varName);
-    }
-    catch (ZorbaException const& e)
-    {
-      // Normally, we should be throwing an exception if the variable has not
-      // been declared inside the xquery program, but this cases many failures
-      // with the w3c XQTS.
-      if (e.diagnostic() == err::XPST0008)
-      {
-        return false;
-      }
-      throw;
-    }
-
-    ulong varId = var->getId();
-
-    theCtx->add_variable(varId, value);
-
-    return true;
-  }
-  ZORBA_DCTX_CATCH
-  return false;
-}
+    store::SchemaTypeCode itemTypeCode = item->getTypeCode();
+    
+    if (TypeOps::is_subtype(itemTypeCode, store::XS_STRING) &&
+        (invalid_char = utf8::validate(item->getStringValue().c_str())) != NULL)
+    {
+      throw XQUERY_EXCEPTION(err::FOCH0001,
+      ERROR_PARAMS(zstring("#x") +
+                   BUILD_STRING(std::uppercase << std::hex
+                                << (static_cast<unsigned int>(*invalid_char) & 0xFF))));
+    }
+  }
+}
+
 
 
 /****************************************************************************//**
@@ -579,7 +643,7 @@
 
     store::Item_t lItem = Unmarshaller::getInternalItem(aDateTimeItem);
 
-    ZorbaImpl::checkItem(lItem);
+    checkItem(lItem);
 
     TypeManager* tm = theStaticContext->get_typemanager();
 
@@ -661,7 +725,7 @@
     checkNoIterators();
 
     store::Item_t lItem = Unmarshaller::getInternalItem(aCollectionUri);
-    ZorbaImpl::checkItem(lItem);
+    checkItem(lItem);
 
     theCtx->set_default_collection(lItem);
     return true;
@@ -697,27 +761,37 @@
   return Item();
 }
 
+
 /****************************************************************************//**
 
 ********************************************************************************/
-void DynamicContextImpl::setLocale( locale::iso639_1::type aLang,
-                                    locale::iso3166_1::type aCountry ) {
+void DynamicContextImpl::setLocale(
+    locale::iso639_1::type aLang,
+    locale::iso3166_1::type aCountry )
+{
   theCtx->set_locale( aLang, aCountry );
 }
 
-void DynamicContextImpl::getLocale( locale::iso639_1::type *aLang,
-                                    locale::iso3166_1::type *aCountry ) const {
-  theCtx->get_locale( aLang, aCountry );
+
+void DynamicContextImpl::getLocale(
+    locale::iso639_1::type *aLang,
+    locale::iso3166_1::type *aCountry) const
+{
+  theCtx->get_locale(aLang, aCountry);
 }
 
+
 /****************************************************************************//**
 
 ********************************************************************************/
-void DynamicContextImpl::setCalendar( time::calendar::type aCalendar ) {
-  theCtx->set_calendar( aCalendar );
+void DynamicContextImpl::setCalendar(time::calendar::type aCalendar)
+{
+  theCtx->set_calendar(aCalendar);
 }
 
-time::calendar::type DynamicContextImpl::getCalendar() const {
+
+time::calendar::type DynamicContextImpl::getCalendar() const
+{
   return theCtx->get_calendar();
 }
 
@@ -758,8 +832,7 @@
 /****************************************************************************//**
 
 ********************************************************************************/
-bool
-DynamicContextImpl::addExternalFunctionParameter (
+bool DynamicContextImpl::addExternalFunctionParameter(
     const String& aName,
     ExternalFunctionParameter* aValue ) const
 {

=== modified file 'src/api/dynamiccontextimpl.h'
--- src/api/dynamiccontextimpl.h	2013-03-13 16:17:38 +0000
+++ src/api/dynamiccontextimpl.h	2013-08-01 08:00:47 +0000
@@ -67,6 +67,9 @@
   static_context            * theStaticContext;
 
 protected:
+  static void checkItem(const store::Item_t& aItem);
+
+protected:
   DynamicContextImpl(const XQueryImpl* aQuery);
 
   // Used by ExtFunctionCallIterator to create a temporary wrapper
@@ -97,6 +100,12 @@
 
   virtual bool
   setVariable(
+      const String& inNamespace,
+      const String& inLocalname,
+      const Item& inValue);
+
+  virtual bool
+  setVariable(
       const String& inVarName,
       const Iterator_t& inValue);
 

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