← All changes | classes/fpdf/pdf_context.php +77 -77 1.3.2 → 2.12.4 View file →

		@@ -1,78 +1,78 @@
1		-<?php
2		-//
3		-// FPDI - Version 1.2
4		-//
5		-// Copyright 2004-2007 Setasign - Jan Slabon
6		-//
7		-// Licensed under the Apache License, Version 2.0 (the "License");
8		-// you may not use this file except in compliance with the License.
9		-// You may obtain a copy of the License at
10		-//
11		-// http://www.apache.org/licenses/LICENSE-2.0
12		-//
13		-// Unless required by applicable law or agreed to in writing, software
14		-// distributed under the License is distributed on an "AS IS" BASIS,
15		-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16		-// See the License for the specific language governing permissions and
17		-// limitations under the License.
18		-//
19		-
20		-class pdf_context {
21		-
22		- var $file;
23		- var $buffer;
24		- var $offset;
25		- var $length;
26		-
27		- var $stack;
28		-
29		- // Constructor
30		-
31		- function pdf_context($f) {
32		- $this->file = $f;
33		- $this->reset();
34		- }
35		-
36		- // Optionally move the file
37		- // pointer to a new location
38		- // and reset the buffered data
39		-
40		- function reset($pos = null, $l = 100) {
41		- if (!is_null ($pos)) {
42		- fseek ($this->file, $pos);
43		- }
44		-
45		- $this->buffer = $l > 0 ? fread($this->file, $l) : '';
46		- $this->offset = 0;
47		- $this->length = strlen($this->buffer);
48		- $this->stack = array();
49		- }
50		-
51		- // Make sure that there is at least one
52		- // character beyond the current offset in
53		- // the buffer to prevent the tokenizer
54		- // from attempting to access data that does
55		- // not exist
56		-
57		- function ensure_content() {
58		- if ($this->offset >= $this->length - 1) {
59		- return $this->increase_length();
60		- } else {
61		- return true;
62		- }
63		- }
64		-
65		- // Forcefully read more data into the buffer
66		-
67		- function increase_length($l=100) {
68		- if (feof($this->file)) {
69		- return false;
70		- } else {
71		- $this->buffer .= fread($this->file, $l);
72		- $this->length = strlen($this->buffer);
73		- return true;
74		- }
75		- }
76		-
77		-}
	1	+<?php
	2	+//
	3	+// FPDI - Version 1.2
	4	+//
	5	+// Copyright 2004-2007 Setasign - Jan Slabon
	6	+//
	7	+// Licensed under the Apache License, Version 2.0 (the "License");
	8	+// you may not use this file except in compliance with the License.
	9	+// You may obtain a copy of the License at
	10	+//
	11	+// http://www.apache.org/licenses/LICENSE-2.0
	12	+//
	13	+// Unless required by applicable law or agreed to in writing, software
	14	+// distributed under the License is distributed on an "AS IS" BASIS,
	15	+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	16	+// See the License for the specific language governing permissions and
	17	+// limitations under the License.
	18	+//
	19	+
	20	+class pdf_context {
	21	+
	22	+ var $file;
	23	+ var $buffer;
	24	+ var $offset;
	25	+ var $length;
	26	+
	27	+ var $stack;
	28	+
	29	+ // Constructor
	30	+
	31	+ function pdf_context($f) {
	32	+ $this->file = $f;
	33	+ $this->reset();
	34	+ }
	35	+
	36	+ // Optionally move the file
	37	+ // pointer to a new location
	38	+ // and reset the buffered data
	39	+
	40	+ function reset($pos = null, $l = 100) {
	41	+ if (!is_null ($pos)) {
	42	+ fseek ($this->file, $pos);
	43	+ }
	44	+
	45	+ $this->buffer = $l > 0 ? fread($this->file, $l) : '';
	46	+ $this->offset = 0;
	47	+ $this->length = strlen($this->buffer);
	48	+ $this->stack = array();
	49	+ }
	50	+
	51	+ // Make sure that there is at least one
	52	+ // character beyond the current offset in
	53	+ // the buffer to prevent the tokenizer
	54	+ // from attempting to access data that does
	55	+ // not exist
	56	+
	57	+ function ensure_content() {
	58	+ if ($this->offset >= $this->length - 1) {
	59	+ return $this->increase_length();
	60	+ } else {
	61	+ return true;
	62	+ }
	63	+ }
	64	+
	65	+ // Forcefully read more data into the buffer
	66	+
	67	+ function increase_length($l=100) {
	68	+ if (feof($this->file)) {
	69	+ return false;
	70	+ } else {
	71	+ $this->buffer .= fread($this->file, $l);
	72	+ $this->length = strlen($this->buffer);
	73	+ return true;
	74	+ }
	75	+ }
	76	+
	77	+}
78	78	?>