• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2   Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
3   dedicated to making software imaging solutions freely available.
4 
5   You may not use this file except in compliance with the License.  You may
6   obtain a copy of the License at
7 
8     https://imagemagick.org/script/license.php
9 
10   Unless required by applicable law or agreed to in writing, software
11   distributed under the License is distributed on an "AS IS" BASIS,
12   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   See the License for the specific language governing permissions and
14   limitations under the License.
15 
16   MagickWand convert command-line method.
17 */
18 #ifndef _SCRIPT_TOKEN_H
19 #define _SCRIPT_TOKEN_H
20 
21 #if defined(__cplusplus) || defined(c_plusplus)
22 extern "C" {
23 #endif
24 
25 /* Status of the Stream */
26 typedef enum {
27   TokenStatusOK = 0,
28   TokenStatusEOF,
29   TokenStatusBadQuotes,
30   TokenStatusBinary,
31   TokenStatusMemoryFailed
32 } TokenStatus;
33 
34 /* Initial length is MagickPathExtent/64 => 64  (divisor is a power of 4)
35    most tokens are never larger than this, so no need to waste memory!
36    Also no CLI option is larger than about 40 characters!
37 */
38 #define INITAL_TOKEN_LENGTH  64
39 typedef struct
40 {
41   FILE
42     *stream;        /* the file stream we are reading from */
43 
44   MagickBooleanType
45     opened;         /* was that stream opened? */
46 
47   char
48     *token;         /* array of characters to holding details of he token */
49 
50   size_t
51     length,         /* length of token char array */
52     curr_line,      /* current location in script file */
53     curr_column,
54     token_line,      /* start of last token (option or argument) */
55     token_column;
56 
57   TokenStatus
58     status;         /* Have we reached EOF? see Token Status */
59 
60   size_t
61     signature;
62 } ScriptTokenInfo;
63 
64 
65 extern WandExport ScriptTokenInfo
66   *AcquireScriptTokenInfo(const char *),
67   *DestroyScriptTokenInfo(ScriptTokenInfo *);
68 
69 extern WandExport MagickBooleanType
70   GetScriptToken(ScriptTokenInfo *);
71 
72 #if defined(__cplusplus) || defined(c_plusplus)
73 }
74 #endif
75 
76 #endif
77