Changeset 5178 in orxonox.OLD for trunk/src/lib/shell/shell_completion.cc

Timestamp:

Sep 13, 2005, 12:12:11 AM (19 years ago)

Author:

bensch

Message:

orxonox/trunk: added class ShellInput for the InputLine, also worked a bit on ShellCompletion

File:

• trunk/src/lib/shell/shell_completion.cc (modified) (2 diffs)

trunk/src/lib/shell/shell_completion.cc

@@ -18 +18 @@
 #include "shell_completion.h"
 
+#include "base_object.h"
+#include "class_list.h"
+#include "list.h"
+#include "debug.h"
+
+#include "stdlibincl.h"
+
 using namespace std;
-
 
 /**
@@ -49 +55 @@
   // delete what has to be deleted here
 }
+
+
+
+/**
+ * autocompletes the Shell's inputLine
+ * @returns true, if a result was found, false otherwise
+ *
+ * @todo implement it!!
+ */
+bool ShellCompletion::autoComplete(const char* inputLine)
+{
+  //PRINTF(3)("AutoCompletion not implemented yet\n");
+
+  char* completionLine = new char[strlen(inputLine)+1];
+  strcpy(completionLine, inputLine);
+
+  char* commandBegin = strrchr(completionLine, ' ');
+  if (commandBegin == NULL)
+    commandBegin = completionLine;
+  else
+  {
+    if(commandBegin >= completionLine + strlen(completionLine))
+      commandBegin = completionLine + strlen(completionLine);
+    else
+      commandBegin++;
+  }
+
+  char* objectStart;
+  if (objectStart = strstr(commandBegin, "::"))
+  {
+    char* classIdentity = new char[objectStart - commandBegin +1];
+    strncpy(classIdentity, commandBegin, objectStart - commandBegin);
+    classIdentity[objectStart - commandBegin] = '\0';
+    this->objectComplete(objectStart+2, ClassList::StringToID(classIdentity));
+    delete[] classIdentity;
+  }
+  else
+    this->classComplete(commandBegin);
+
+  delete[] completionLine;
+}
+
+/**
+ * autocompletes a className
+ * @param classBegin the Beginning of a String to autoComplete
+ * @return true on success, false otherwise
+ */
+bool ShellCompletion::classComplete(const char* classBegin)
+{
+  if (unlikely(classBegin == NULL))
+    return false;
+  const tList<const char>* clList = ClassList::getClassList();
+  if (clList != NULL)
+  {
+    const tList<const char>* classList = this->createCompleteList(clList, classBegin);
+    if (classList != NULL)
+      this->generalComplete(classList, classBegin, "%s::", "::");
+    else
+      return false;
+  }
+  else
+    return false;
+  return true;
+}
+
+/**
+ * autocompletes an ObjectName
+ * @param objectBegin the beginning string of a Object
+ * @param classID the ID of the Class to search for.
+ * @return true on success, false otherwise
+ */
+bool ShellCompletion::objectComplete(const char* objectBegin, long classID)
+{
+  printf("%s\n", objectBegin);
+
+  if (unlikely(objectBegin == NULL))
+    return false;
+  tList<BaseObject>* boList = ClassList::getList(classID);
+  if (boList != NULL)
+  {
+    printf("\n", boList->firstElement()->getName());
+    const tList<const char>* objectList = this->createCompleteList(boList, objectBegin);
+    if (objectList != NULL)
+      this->generalComplete(objectList, objectBegin, "%s");
+    else
+      return false;
+  }
+  else
+    return false;
+  return true;
+}
+
+/**
+ * completes a Function
+ * @param functionBegin the beginning of the function String
+ */
+bool ShellCompletion::functionComplete(const char* functionBegin)
+{
+}
+
+/**
+ * completes the inputline on grounds of an inputList
+ * @param stringList the List to parse through
+ * @param begin the String to search in the inputList, and to extend with it.
+ * @param displayAs how to display the found value to the user, printf-style, !!with only one %s!! ex.: "::%s::"
+ * @param addBack what should be added at the end of the completion
+ * @param addFront what should be added to the front of one finished completion
+ * @return true if ok, false otherwise
+ */
+bool ShellCompletion::generalComplete(const tList<const char>* stringList, const char* begin, const char* displayAs, const char* addBack, const char* addFront)
+{
+  if (stringList->getSize() == 0)
+    return false;
+
+  const char* addString = stringList->firstElement();
+  unsigned int addLength = 0;
+  unsigned int inputLenght = strlen(begin);
+
+  if (addString != NULL)
+    addLength = strlen(addString);
+  tIterator<const char>* charIterator = stringList->getIterator();
+  const char* charElem = charIterator->firstElement();
+  while (charElem != NULL)
+  {
+    PRINTF(0)(displayAs, charElem);
+    for (unsigned int i = inputLenght; i < addLength; i++)
+      if (addString[i] != charElem[i])
+    {
+      addLength = i;
+      break;
+    }
+    charElem = charIterator->nextElement();
+  }
+  delete charIterator;
+
+  if (addLength >= inputLenght)
+  {
+    char* adder = new char[addLength+1];
+    strncpy(adder, addString, addLength);
+    adder[addLength] = '\0';
+
+
+/*    this->removeCharacters(inputLenght);
+    this->addCharacters(adder);
+    if (addBack != NULL && stringList->getSize() == 1)
+      this->addCharacters("::");
+    delete[] adder;*/
+  }
+  return true;
+}
+
+/**
+ * searches for classes, which beginn with classNameBegin
+ * @param inputList the List to parse through
+ * @param classNameBegin the beginning string
+ * @return a NEW char-array with ClassNames. The LIST should be deleted afterwards,
+ * !! The strings MUST NOT be deleted !!
+ */
+const tList<const char>* ShellCompletion::createCompleteList(const tList<const char>* inputList, const char* classNameBegin)
+{
+  if (inputList == NULL || classNameBegin == NULL)
+    return NULL;
+  unsigned int searchLength = strlen(classNameBegin);
+  if (this->completionList != NULL)
+    delete this->completionList;
+  this->completionList = new tList<const char>;
+
+//  tList<const char>* classList = ClassList::getClassList();
+
+  tIterator<const char>* iterator = inputList->getIterator();
+  const char* enumString = iterator->firstElement();
+  while (enumString != NULL)
+  {
+    if (strlen(enumString)>searchLength+1 &&
+        !strncasecmp(enumString, classNameBegin, searchLength))
+    {
+      this->completionList->add(enumString);
+    }
+    enumString = iterator->nextElement();
+  }
+  delete iterator;
+
+  return this->completionList;
+}
+
+/**
+ * searches for classes, which beginn with classNameBegin
+ * @param inputList the List to parse through
+ * @param classNameBegin the beginning string
+ * @return a NEW char-array with ClassNames. The LIST should be deleted afterwards,
+ * !! The strings MUST NOT be deleted !!
+ */
+const tList<const char>* ShellCompletion::createCompleteList(const tList<BaseObject>* inputList, const char* classNameBegin)
+{
+  if (inputList == NULL || classNameBegin == NULL)
+    return NULL;
+  unsigned int searchLength = strlen(classNameBegin);
+  if (this->completionList != NULL)
+    delete this->completionList;
+  this->completionList = new tList<const char>;
+
+  tIterator<BaseObject>* iterator = inputList->getIterator();
+  BaseObject* enumBO = iterator->firstElement();
+  while (enumBO != NULL)
+  {
+    if (enumBO->getName() != NULL &&
+        strlen(enumBO->getName())>searchLength+1 &&
+        !strncasecmp(enumBO->getName(), classNameBegin, searchLength))
+    {
+      this->completionList->add(enumBO->getName());
+    }
+    enumBO = iterator->nextElement();
+  }
+  delete iterator;
+
+  return this->completionList;
+}