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/* Copyright (C) 1989, 2000, 2001 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: zfile1.c,v 1.12 2004/07/14 15:59:51 giles Exp $ */
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/* Special file operators */
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#include "memory_.h"
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#include "string_.h"
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#include "ghost.h"
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#include "gp.h"
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#include "ierrors.h"
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#include "oper.h"
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#include "ialloc.h"
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#include "opdef.h"
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#include "opcheck.h"
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#include "store.h"
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/* <string> <string> <bool> .file_name_combine <string> true */
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/* <string> <string> <bool> .file_name_combine <string> <string> false */
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private int
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zfile_name_combine(i_ctx_t *i_ctx_p)
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{
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uint plen, flen, blen, blen0;
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const byte *prefix, *fname;
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byte *buffer;
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os_ptr op = osp;
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bool no_sibling;
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check_type(op[ 0], t_boolean);
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check_type(op[-1], t_string);
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check_type(op[-2], t_string);
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plen = r_size(op - 2);
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flen = r_size(op - 1);
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blen = blen0 = plen + flen + 2; /* Inserts separator and ending zero byte. */
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buffer = ialloc_string(blen, "zfile_name_combine");
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if (buffer == 0)
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return_error(e_VMerror);
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prefix = op[-2].value.const_bytes;
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fname = op[-1].value.const_bytes;
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no_sibling = op[0].value.boolval;
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if (gp_file_name_combine((const char *)prefix, plen,
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(const char *)fname, flen, no_sibling,
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(char *)buffer, &blen) != gp_combine_success) {
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make_bool(op, false);
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} else {
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buffer = iresize_string(buffer, blen0, blen, "zfile_name_combine");
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if (buffer == 0)
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return_error(e_VMerror);
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make_string(op - 2, a_all | icurrent_space, blen, buffer);
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make_bool(op - 1, true);
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pop(1);
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}
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return 0;
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}
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/* This is compiled conditionally to let PS library to know
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* whether it works with the new gp_combine_file_name.
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*/
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/* <string> .file_name_is_absolute <bool> */
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private int
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zfile_name_is_absolute(i_ctx_t *i_ctx_p)
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{ os_ptr op = osp;
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check_type(op[0], t_string);
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make_bool(op, (gp_file_name_root((const char *)op->value.const_bytes,
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r_size(op)) > 0));
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return 0;
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}
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private int
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push_string(i_ctx_t *i_ctx_p, const char *v)
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{ os_ptr op = osp;
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int len = strlen(v);
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push(1);
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make_const_string(op, avm_foreign | a_readonly,
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len, (const byte *)v);
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return 0;
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}
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/* - .file_name_separator <string> */
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private int
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zfile_name_separator(i_ctx_t *i_ctx_p)
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{ return push_string(i_ctx_p, gp_file_name_separator());
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}
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/* - .file_name_directory_separator <string> */
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private int
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zfile_name_directory_separator(i_ctx_t *i_ctx_p)
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{ return push_string(i_ctx_p, gp_file_name_directory_separator());
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}
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/* - .file_name_current <string> */
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private int
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zfile_name_current(i_ctx_t *i_ctx_p)
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{ return push_string(i_ctx_p, gp_file_name_current());
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}
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/* - .file_name_parent <string> */
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private int
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zfile_name_parent(i_ctx_t *i_ctx_p)
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{ return push_string(i_ctx_p, gp_file_name_parent());
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}
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const op_def zfile1_op_defs[] =
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{
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{"0.file_name_combine", zfile_name_combine},
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{"0.file_name_is_absolute", zfile_name_is_absolute},
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{"0.file_name_separator", zfile_name_separator},
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{"0.file_name_directory_separator", zfile_name_directory_separator},
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{"0.file_name_current", zfile_name_current},
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{"0.file_name_parent", zfile_name_parent},
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op_def_end(0)
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};
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