1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
/* Copyright 1997 Acorn Computers Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/***************************************************/
/* File : TokenUtils.h */
/* */
/* Purpose: Utility functions for finding out */
/* information about tokens. */
/* */
/* Author : A.D.Hodgkinson */
/* */
/* History: 09-Apr-97: Created. */
/***************************************************/
/* Structures */
typedef struct token_path
{
int line; /* Parent line of the table */
int chunk; /* Parent chunk of the table */
table_headdata * head; /* Pointer to the stream */
}
token_path;
/* Function prototypes */
void tokenutils_anchor_range (browser_data * b, HStream * token, HStream ** first, HStream ** last);
int tokenutils_line_range (browser_data * b, HStream * token, int * fline, int * fchunk, int * lline, int * lchunk, token_path ** path);
int tokenutils_find_ancestor_line (browser_data * b, HStream * t);
void tokenutils_find_token (browser_data * b, reformat_cell * d, HStream * token, int * fline, int * fchunk, int * lline, int * lchunk);
reformat_cell * tokenutils_find_cell (reformat_cell * cell, int depth, token_path * path);
void tokenutils_token_offset (browser_data * b, token_path * path, int * offset_x, int * offset_y);
reformat_cell * tokenutils_token_cell (browser_data * b, HStream * token);
int tokenutils_within_distance (browser_data * b, HStream * t1, HStream * t2, int distance);