devexpress asp.net pdf viewer : Delete page from pdf preview software application cloud windows html winforms class AppleShellScripting-201429-part672

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# /*!
#
@abstract A newline character.
#
*/
NEWLINE="
"
# /*!
#
@abstract
#
Field separator.
Do not change.
#
*/
IFS="$NEWLINE"
# /*! @group Node Functions
#
Functions that operate on a single node in the tree.
#
*/
# /*!
#
@abstract Retrieves the key associated with a node object.
#
@result
#
Returns the key via <code>stdout</code>.
#
@param NODE
#
The node object.
#
*/
treeKey()
{
local NODE="$1"
eval echo "\$$NODE"_KEY
}
# /*!
#
@abstract
#
Retrieves the left subtree for a node in the tree.
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#
@result
#
Returns the node name of the left subtree via <code>stdout</code>.
#
@discussion
#
This is mainly an internal function, though you can use
#
it for debugging purposes.
#
@param NODE
#
The node object.
#
*/
treeLeft()
{
local NODE="$1"
eval echo "\$$NODE"_LEFT
}
# /*!
#
@abstract
#
Sets the left subtree for a node in the tree.
#
@discussion
#
This is an internal function.
Do not call it directly. Use
#
{@link insertKey} or {@link insertKeyNumeric} instead.
#
@param NODE
#
The node object.
#
@param VAL
#
The new left value.
#
*/
setTreeLeft()
{
local NODE="$1"
local VAL="$2"
eval "$NODE"_LEFT=\"$VAL\"
}
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# /*!
#
@abstract
#
Retrieves the right subtree for a node in the tree.
#
@result
#
Returns the node name of the right subtree via <code>stdout</code>.
#
@discussion
#
This is mainly an internal function, though you can use
#
it for debugging purposes.
#
@param NODE
#
The node object.
#
*/
treeRight()
{
local NODE="$1"
eval echo "\$$NODE"_RIGHT
}
# /*!
#
@abstract
#
Sets the right subtree for a node in the tree.
#
@discussion
#
This is an internal function.
Do not call it directly. Use
#
{@link insertKey} or {@link insertKeyNumeric} instead.
#
@param NODE
#
The node object.
#
@param VAL
#
The new right value.
#
*/
setTreeRight()
{
local NODE="$1"
local VAL="$2"
eval "$NODE"_RIGHT=\"$VAL\"
StartingPoints
DataManagement
2014-03-10   |   Copyright © 2003, 2014 Apple Inc. All Rights Reserved.
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}
# /*!
#
@abstract
#
Retrieves a field value for a node in the tree.
#
@result
#
Returns the requested field value via <code>stdout</code> or
#
an empty string.
#
@seealso setTreeField
#
@param NODE
#
The node object.
#
@param FIELDNAME
#
The field name.
#
*/
treeField()
{
local NODE="$1"
local FIELDNAME="$2"
eval echo "\$$NODE"_DATAFIELD_"$FIELDNAME"
}
# /*!
#
@abstract
#
Sets a field value for a node in the tree.
#
@discussion
#
This function allows you to store arbitrary attributes in a tree node.
#
If a value already exists for the specified field name, the value is
#
overwritten.
#
@param NODE
#
The node object.
#
@param FIELDNAME
#
The field name.
#
@param VAL
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#
The new field value.
#
*/
setTreeField()
{
local NODE="$1"
local FIELDNAME="$2"
local VAL="$3"
eval "$NODE"_DATAFIELD_"$FIELDNAME"=\"$VAL\"
local DATAFIELDS="$(eval echo "\$$NODE"_DATAFIELDS)"
eval "$NODE"_DATAFIELDS="\"$DATAFIELDS$NEWLINE$FIELDNAME\""
}
# /*! @group General Tree Functions
#
Operations that create, delete, iterate, and merge trees.
#
*/
# /*!
#
@abstract
#
Iterates through a subtree, calling a function for each node.
#
@discussion
#
For each node in the tree (in sorted order), the function
#
specified by ACTION is called with a single parameter
#
containing the node name of the node being traversed.
#
@param TREE
#
The tree to traverse.
#
@param ACTION
#
The function to call on each node.
#
@param CALLONROOT
#
Set to 1 if you want to also call ACTION on the (bogus) root node.
#
This is usually only set for debug printing purposes.
#
*/
iterateTree()
{
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local TREE="$1"
local ACTION="$2"
local CALLONROOT="$3"
# echo "NAME IS $TREE"
if [ "$CALLONROOT" = "1" ] ; then
eval "$ACTION" "$TREE"
fi
iterateSubtree "$(treeLeft "$TREE")" "$ACTION"
}
# /*!
#
@abstract
#
Copies all of the keys in one tree into another.
#
@discussion
#
For each key in TREE_SRC, an equivalent key is
#
inserted in TREE_DST, including any field values
#
associated with it. In the event of a collision
#
for a given key, the resulting set of field values
#
for that key is the union of the two sets of field
#
values, with the new values from TREE_SRC taking
#
precedence.
#
@param TREE_SRC
#
The source tree to copy.
#
@param TREE_DST
#
The destination tree into which the source tree is copied.
#
*/
mergeTrees()
{
local TREE_SRC="$1"
local TREE_DST="$2"
StartingPoints
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# echo "Here SRC: $TREE_SRC (left is $(treeLeft "$TREE_SRC"))" 1>&2
# echo "
DST: $TREE_DST" 1>&2
iterateSubtree "$(treeLeft "$TREE_SRC")" reinsert
}
# /*!
#
@abstract
#
Deletes a binary tree.
#
@param TREE
#
The name of the tree to delete.
#
*/
deleteTree()
{
local TREE="$1"
if [ "$TREE" = "" ] ; then
return;
fi
deleteTree "$(treeLeft "$TREE")"
deleteTree "$(treeRight "$TREE")"
deleteNode "$TREE"
}
# /*!
#
@abstract
#
Creates a new binary tree.
#
@result
#
Obtain the name of the tree using {@link getLastNodeName}.
#
@param TREE
#
The name of the tree to create.
#
*/
newTree()
{
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local TREE="$1"
newTreeNode "" "" "" "$TREE"
}
# /*! @group Search Functions
#
Functions used for searching for a key in a tree.
Be sure to
#
choose whether you want to use numerical or string key comparisons
#
for the search and choose the appropriate function accordingly.
#
The comparison type usde for searching must match the comparison
#
type used during insertion or the results are undefined.
#
*/
# /*!
#
@abstract
#
Searches a binary tree for a given key.
#
@discussion
#
This tree search uses string comparisons. You must use
#
{@link insertKey} with this function (and not
#
{@link insertKeyNumeric}.
For numeric searches, use
#
{@link treeSearchNumeric}.
#
@result
#
Returns the node name of the matching node through <code>stdout</code>
#
if found or an empty string otherwise.
#
@param TREE
#
The tree to search.
#
@param KEY
#
The key to search for.
#
*/
treeSearch()
{
local TREE="$1"
local KEY="$2"
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subtreeSearch "$(treeLeft "$TREE")" "$KEY"
}
# /*!
#
@abstract
#
Searches a binary tree for a given key.
#
@result
#
Returns the node name of the matching node through <code>stdout</code>
#
if found or an empty string otherwise.
#
@discussion
#
This tree search uses numeric comparisons. You must use
#
{@link insertKeyNumeric} with this function (and not
#
{@link insertKey}.
For string searches, use {@link treeSearch}.
#
@param TREE
#
The tree to search.
#
@param KEY
#
The key to search for.
#
*/
treeSearchNumeric()
{
local TREE="$1"
local KEY="$2"
subtreeSearchNumeric "$(treeLeft "$TREE")" "$KEY"
}
# /*! @group Insertion Functions
#
Functions used for inserting a key into a tree.
Be sure to
#
choose whether you want to use numerical or string key comparisons
#
during insertion and choose the appropriate function accordingly.
#
#
After inserting, you can use {@link getLastNodeName} to get the
#
node name of the resulting node if desired.
#
*/
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# /*!
#
@abstract
#
Retrieves the last node inserted.
#
@result
#
Returns the node name of the last node inserted via
#
<code>stdout</code>.
#
@discussion
#
After creating a new node with {@link insertKey} or a
#
new tree with {@link newTree}, call this to obtain its
#
note ID.
#
*/
getLastNodeName()
{
echo "$LAST_TREE_NODE_INSERTED"
}
# /*!
#
@abstract
#
Inserts a new key into a binary tree.
#
@discussion
#
If a node already exists with this value, the
#
existing node is returned.
#
#
This tree insertion uses string comparisons.
You must use
#
{@link treeSearch} with this function (and not
#
{@link treeSearchNumeric}.
For numeric searches, use
#
{@link insertKeyNumeric}.
#
@result
#
Obtain the node name of the newly created node using
#
{@link getLastNodeName}.
#
@param TREE
#
The name of the binary tree.
#
@param KEY
#
The key to insert.
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