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>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
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1 // Copyright (C) 2004-2021 Artifex Software, Inc.
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2 //
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3 // This file is part of MuPDF.
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4 //
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5 // MuPDF is free software: you can redistribute it and/or modify it under the
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6 // terms of the GNU Affero General Public License as published by the Free
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7 // Software Foundation, either version 3 of the License, or (at your option)
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8 // any later version.
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9 //
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10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
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11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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13 // details.
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14 //
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15 // You should have received a copy of the GNU Affero General Public License
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16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
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17 //
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18 // Alternative licensing terms are available from the licensor.
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19 // For commercial licensing, see <https://www.artifex.com/> or contact
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20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
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21 // CA 94129, USA, for further information.
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23 #ifndef MUPDF_FITZ_TREE_H
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24 #define MUPDF_FITZ_TREE_H
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26 #include "mupdf/fitz/system.h"
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27 #include "mupdf/fitz/context.h"
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29 /**
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30 AA-tree to look up things by strings.
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31 */
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33 typedef struct fz_tree fz_tree;
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35 /**
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36 Look for the value of a node in the tree with the given key.
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38 Simple pointer equivalence is used for key.
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40 Returns NULL for no match.
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41 */
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42 void *fz_tree_lookup(fz_context *ctx, fz_tree *node, const char *key);
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44 /**
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45 Insert a new key/value pair and rebalance the tree.
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46 Return the new root of the tree after inserting and rebalancing.
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47 May be called with a NULL root to create a new tree.
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49 No data is copied into the tree structure; key and value are
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50 merely kept as pointers.
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51 */
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52 fz_tree *fz_tree_insert(fz_context *ctx, fz_tree *root, const char *key, void *value);
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54 /**
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55 Drop the tree.
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57 The storage used by the tree is freed, and each value has
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58 dropfunc called on it.
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59 */
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60 void fz_drop_tree(fz_context *ctx, fz_tree *node, void (*dropfunc)(fz_context *ctx, void *value));
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62 #endif