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cellarray/celltrie/cellstack: Documentation fixes and consistency updates

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This commit is contained in:
Valentin Grünbacher
2015-02-17 15:25:53 +01:00
parent 9eb0eaf6a6
commit ae86152282
3 changed files with 232 additions and 180 deletions
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244
plugins/include/celltrie.inc
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@@ -8,180 +8,213 @@
// https://alliedmods.net/amxmodx-license
#if defined _celltrie_included
#endinput
#endinput
#endif
#define _celltrie_included
/**
* Hash map tag declaration
*
* @note The word "Trie" in this API is historical. As of AMX Mod X 1.8.3,
* tries have been internally replaced with hash tables, which have O(1)
* insertion time instead of O(n).
* @note Plugins are responsible for freeing all Trie handles they acquire.
* Failing to free handles will result in the plugin and AMXX leaking
* memory.
*/
enum Trie
{
Invalid_Trie = 0
};
/**
* Hash map snapshot tag declaration
*
* @note Plugins are responsible for freeing all Snapshot handles they acquire.
* Failing to free handles will result in the plugin and AMXX leaking
* memory.
*/
enum Snapshot
{
Invalid_Snapshot = 0
};
/**
* Creates a hash map. A hash map is a container that can map strings (called
* "keys") to arbitrary values (cells, arrays, or strings). Keys in a hash map
* are unique. That is, there is at most one entry in the map for a given key.
* Creates a hash map. A hash map is a container that maps strings (called keys)
* to arbitrary values (cells, arrays or strings).
*
* Insertion, deletion, and lookup in a hash map are all considered to be fast
* operations, amortized to O(1), or constant time.
* @note Keys in a hash map are unique so there is no more than one entry in the
* map for any given key.
* @note Insertion, deletion, and lookup in a hash map are all considered to be
* fast operations, amortized to O(1), or constant time.
*
* The word "Trie" in this API is historical. As of AMX Mod X 1.8.3, tries have
* been internally replaced with hash tables, which have O(1) insertion time
* instead of O(n).
*
* @return New Map handle, which must be freed via TrieDestroy().
* @return New Map handle, which must be freed via TrieDestroy()
*/
native Trie:TrieCreate();
/**
* Clears all entries from a Map.
*
* @param handle Map handle.
* @param handle Map handle
*
* @error Invalid handle.
* @error If an invalid handle is provided an error will be
* thrown.
* @noreturn
*/
native TrieClear(Trie:handle);
/**
* Sets a value in a hash map, either inserting a new entry or replacing an old one.
* Sets a cell value in a hash map, either inserting a new entry or replacing
* an old one.
*
* @param handle Map handle.
* @param key Key string.
* @param value Value to store at this key.
* @param replace If false, operation will fail if the key is already set.
* @param handle Map handle
* @param key Key string
* @param value Value to store
* @param replace If false the operation will fail if the key is already set
*
* @return True on success, false on failure.
* @error Invalid handle.
* @return 1 on success, 0 otherwise
* @error If an invalid handle is provided an error will be
* thrown.
*/
native TrieSetCell(Trie:handle, const key[], any:value, bool:replace = true);
/**
* Sets a string value in a Map, either inserting a new entry or replacing an old one.
* Sets a string value in a hash map, either inserting a new entry or replacing
* an old one.
*
* @param handle Map handle.
* @param key Key string.
* @param value String to store.
* @param replace If false, operation will fail if the key is already set.
* @param handle Map handle
* @param key Key string
* @param value String to store
* @param replace If false the operation will fail if the key is already set
*
* @return True on success, false on failure.
* @error Invalid handle.
* @return 1 on success, 0 otherwise
* @error If an invalid handle is provided an error will be
* thrown.
*/
native TrieSetString(Trie:handle, const key[], const value[], bool:replace = true);
/**
* Sets an array value in a Map, either inserting a new entry or replacing an old one.
* Sets an array value in a hash map, either inserting a new entry or replacing
* an old one.
*
* @param handle Map handle.
* @param key Key string.
* @param buffer Array to store.
* @param size Number of items in the array.
* @param replace If false, operation will fail if the key is already set.
* @param handle Map handle
* @param key Key string
* @param buffer Array to store
* @param size Array size
* @param replace If false the operation will fail if the key is already set
*
* @return True on success, false on failure.
* @error Invalid handle.
* Invalid array size.
* @return 1 on success, 0 otherwise
* @error If an invalid handle is provided an error will be
* thrown. or invalid array size
*/
native TrieSetArray(Trie:handle, const key[], const any:buffer[], size, bool:replace = true);
/**
* Retrieves a value in a Map.
* Retrieves a cell value from a hash map.
*
* @param handle Map handle.
* @param key Key string.
* @param value Variable to store value.
* @return True on success. False if the key is not set, or the key is set
* as an array or string (not a value).
* @error Invalid handle.
* @param handle Map handle
* @param key Key string
* @param value Variable to store value to
*
* @return True on success, false if either the key is not set or the
* value type does not match (value is string or array)
* @error If an invalid handle is provided an error will be
* thrown.
*/
native bool:TrieGetCell(Trie:handle, const key[], &any:value);
/**
* Retrieves a string in a Map.
* Retrieves a string from a hash map.
*
* @param handle Map handle.
* @param key Key string.
* @param output Buffer to store value.
* @param outputsize Maximum size of string buffer.
* @param size Optional parameter to store the number of bytes written to the buffer.
* @param handle Map handle
* @param key Key string
* @param output Buffer to copy the value to
* @param outputsize Maximum size of buffer
* @param size Optional variable to store the number of cells written
* to the buffer in
*
* @return True on success. False if the key is not set, or the key is set
* as a value or array (not a string).
* @error Invalid handle.
* Invalid buffer size.
* @return True on success, false if either the key is not set or
* the value type does not match (value is cell or array)
* @error If an invalid handle is provided an error will be
* thrown.
*/
native bool:TrieGetString(Trie:handle, const key[], output[], outputsize, &size = 0);
/**
* Retrieves an array in a Map.
* Retrieves a string from a hash map.
*
* @param handle Map handle.
* @param key Key string.
* @param output Buffer to store array.
* @param outputsize Maximum size of array buffer.
* @param size Optional parameter to store the number of elements written to the buffer.
* @param handle Map handle
* @param key Key string
* @param output Array to copy the value to
* @param outputsize Maximum size of array
* @param size Optional variable to store the number of cells written
* to the array in
*
* @return True on success. False if the key is not set, or the key is set
* as a value or string (not an array).
* @error Invalid handle.
* Invalid array size.
* @return True on success, false if either the key is not set or
* the value type does not match (value is cell or string)
* @error If an invalid handle or array size is provided an error
* will be thrown.
*/
native bool:TrieGetArray(Trie:handle, const key[], any:output[], outputsize, &size = 0);
/**
* Removes a key entry from a Map.
* Removes an entry from a hash map.
*
* @param handle Map handle.
* @param key Key string.
* @param handle Map handle
* @param key Key string
*
* @return True on success, false if the value was never set.
* @error Invalid handle.
* @return True on success, false if the key was never set
* @error If an invalid handle is provided an error will be
* thrown.
*/
native bool:TrieDeleteKey(Trie:handle, const key[]);
/**
* Checks a key entry existence from a Map.
* Checks a hash map for the existence of an entry.
*
* @param handle Map handle.
* @param key Key string.
* @param handle Map handle
* @param key Key string
*
* @return True on success, false if the value was never set.
* @error Invalid handle.
* @return True if the key is set, false otherwise
* @error If an invalid handle is provided an error will be
* thrown.
*/
native bool:TrieKeyExists(Trie:handle, const key[]);
/**
* Destroys a Map.
* Destroys a hash map and frees its memory.
*
* @param handle Map handle.
* @note The function automatically sets the variable passed to it to 0 to aid
* in preventing accidental usage after destroy.
*
* @return True on success, false if the value was never set.
* @error Invalid handle.
* @param handle Map handle
*
* @return 1 on success, 0 if an invalid handle was passed in
*/
native TrieDestroy(&Trie:handle);
/**
* Retrieves the number of elements in a map.
* Returns the number of entries in a hash map.
*
* @param handle Map handle.
* @param handle Map handle
*
* @return Number of elements in the trie.
* @error Invalid handle.
* @return Number of elements in the hash map
* @error If an invalid handle is provided an error will be
* thrown.
*/
native TrieGetSize(Trie:handle);
/**
* Creates a snapshot of all keys in the map. If the map is changed after this
* call, the changes are not reflected in the snapshot. Keys are not sorted.
* Creates a snapshot of all keys in a hash map. If the map is changed
* afterwards, the changes are not reflected in the snapshot.
* Keys are not sorted.
*
* @param handle Map handle.
* @param handle Map handle
*
* @return New map snapshot handle, which must be freed via TrieSnapshotDestroy().
* @error Invalid handle.
* @return New map snapshot handle, which must be freed via
* TrieSnapshotDestroy()
* @error If an invalid handle is provided an error will be
* thrown.
*/
native Snapshot:TrieSnapshotCreate(Trie:handle);
@@ -190,10 +223,11 @@ native Snapshot:TrieSnapshotCreate(Trie:handle);
* different from the size of the map, since the map can change after the
* snapshot of its keys was taken.
*
* @param handle Map snapshot.
* @param handle Map snapshot handle
*
* @return Number of keys.
* @error Invalid handle.
* @return Number of keys
* @error If an invalid handle is provided an error will be
* thrown.
*/
native TrieSnapshotLength(Snapshot:handle);
@@ -201,33 +235,37 @@ native TrieSnapshotLength(Snapshot:handle);
* Returns the buffer size required to store a given key. That is, it returns
* the length of the key plus one.
*
* @param handle Map snapshot.
* @param index Key index (starting from 0).
* @param handle Map snapshot handle
* @param index Key index (starting from 0)
*
* @return Buffer size required to store the key string.
* @error Invalid handle or index out of range.
* @return Buffer size required to store the key string
* @error If an invalid handle is provided an error will be
* thrown. or index out of range
*/
native TrieSnapshotKeyBufferSize(Snapshot:handle, index);
/**
* Retrieves the key string of a given key in a map snapshot.
*
* @param handle Map snapshot.
* @param index Key index (starting from 0).
* @param buffer String buffer.
* @param maxlength Maximum buffer length.
* @param handle Map snapshot handle
* @param index Key index (starting from 0)
* @param buffer String buffer
* @param maxlength Maximum buffer length
*
* @return Number of bytes written to the buffer.
* @error Invalid handle or index out of range.
* @return Number of bytes written to the buffer
* @error If an invalid handle is provided an error will be
* thrown. or index out of range
*/
native TrieSnapshotGetKey(Snapshot:handle, index, buffer[], maxlength);
/**
* Destroys a Map snapshot
* Destroys a map snapshot and frees its memory.
*
* @param handle Map snapshot.
* @note The function automatically sets the variable passed to it to 0 to aid
* in preventing accidental usage after destroy.
*
* @return True on success, false if the value was never set.
* @error Invalid handle.
* @param handle Map snapshot handle
*
* @return 1 on success, 0 if an invalid handle was passed in
*/
native TrieSnapshotDestroy(&Snapshot:handle);