projects / thirdparty / cups.git / blame
| Commit | Line | Data |
|---|---|---|
| ac884b6a MS |
1 | // |
| 2 | // "$Id$" | |
| 3 | // | |
| 4 | // File class for the CUPS PPD Compiler. | |
| 5 | // | |
| 6 | // Copyright 2007 by Apple Inc. | |
| 7 | // Copyright 2002-2005 by Easy Software Products. | |
| 8 | // | |
| 9 | // These coded instructions, statements, and computer programs are the | |
| 10 | // property of Apple Inc. and are protected by Federal copyright | |
| 11 | // law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
| 12 | // which should have been included with this file. If this file is | |
| 13 | // file is missing or damaged, see the license at "http://www.cups.org/". | |
| 14 | // | |
| 15 | // Contents: | |
| 16 | // | |
| 17 | // ppdcFile::ppdcFile() - Create (open) a file. | |
| 18 | // ppdcFile::~ppdcFile() - Delete (close) a file. | |
| 19 | // ppdcFile::get() - Get a character from a file. | |
| 20 | // ppdcFile::peek() - Look at the next character from a file. | |
| 21 | // | |
| 22 | ||
| 23 | // | |
| 24 | // Include necessary headers... | |
| 25 | // | |
| 26 | ||
| 27 | #include "ppdc.h" | |
| 28 | ||
| 29 | ||
| 30 | // | |
| 31 | // 'ppdcFile::ppdcFile()' - Create (open) a file. | |
| 32 | // | |
| 33 | ||
| 34 | ppdcFile::ppdcFile(const char *f) // I - File to open | |
| 35 | { | |
| 36 | fp = cupsFileOpen(f, "r"); | |
| 37 | filename = f; | |
| 38 | line = 1; | |
| 39 | ||
| 40 | if (!fp) | |
| 41 | fprintf(stderr, "ppdc: Unable to open %s: %s\n", f, strerror(errno)); | |
| 42 | } | |
| 43 | ||
| 44 | ||
| 45 | // | |
| 46 | // 'ppdcFile::~ppdcFile()' - Delete (close) a file. | |
| 47 | // | |
| 48 | ||
| 49 | ppdcFile::~ppdcFile() | |
| 50 | { | |
| 51 | if (fp) | |
| 52 | cupsFileClose(fp); | |
| 53 | } | |
| 54 | ||
| 55 | ||
| 56 | // | |
| 57 | // 'ppdcFile::get()' - Get a character from a file. | |
| 58 | // | |
| 59 | ||
| 60 | int | |
| 61 | ppdcFile::get() | |
| 62 | { | |
| 63 | int ch; // Character from file | |
| 64 | ||
| 65 | ||
| 66 | // Return EOF if there is no open file... | |
| 67 | if (!fp) | |
| 68 | return (EOF); | |
| 69 | ||
| 70 | // Get the character... | |
| 71 | ch = cupsFileGetChar(fp); | |
| 72 | ||
| 73 | // Update the line number as needed... | |
| 74 | if (ch == '\n') | |
| 75 | line ++; | |
| 76 | ||
| 77 | // Return the character... | |
| 78 | return (ch); | |
| 79 | } | |
| 80 | ||
| 81 | ||
| 82 | // | |
| 83 | // 'ppdcFile::peek()' - Look at the next character from a file. | |
| 84 | // | |
| 85 | ||
| 86 | int // O - Next character in file | |
| 87 | ppdcFile::peek() | |
| 88 | { | |
| 89 | // Return immediaely if there is no open file... | |
| 90 | if (!fp) | |
| 91 | return (EOF); | |
| 92 | ||
| 93 | // Otherwise return the next character without advancing... | |
| 94 | return (cupsFilePeekChar(fp)); | |
| 95 | } | |
| 96 | ||
| 97 | ||
| 98 | // | |
| 99 | // End of "$Id$". | |
| 100 | // |