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Diffstat (limited to 'modules/filters/libsed.h')
| -rw-r--r-- | modules/filters/libsed.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/modules/filters/libsed.h b/modules/filters/libsed.h new file mode 100644 index 0000000..0256b1e --- /dev/null +++ b/modules/filters/libsed.h @@ -0,0 +1,172 @@ +/* + * Copyright (c) 2005, 2008 Sun Microsystems, Inc. All Rights Reserved. + * Use is subject to license terms. + * + * Copyright (c) 1984 AT&T + * All Rights Reserved + * + * 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. + */ + +#ifndef LIBSED_H +#define LIBSED_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <limits.h> + +#include "apr_file_io.h" + +#define SED_NLINES 256 +#define SED_DEPTH 20 +#define SED_LABSIZE 50 +#define SED_ABUFSIZE 20 + +typedef struct sed_reptr_s sed_reptr_t; + +struct sed_reptr_s { + sed_reptr_t *next; + char *ad1; + char *ad2; + char *re1; + sed_reptr_t *lb1; + char *rhs; + int findex; + char command; + int gfl; + char pfl; + char negfl; + int nrep; +}; + +typedef struct sed_label_s sed_label_t; + +struct sed_label_s { + char asc[9]; + sed_reptr_t *chain; + sed_reptr_t *address; +}; + +typedef apr_status_t (sed_err_fn_t)(void *data, const char *error); +typedef apr_status_t (sed_write_fn_t)(void *ctx, char *buf, apr_size_t sz); + +typedef struct sed_commands_s sed_commands_t; +#define NWFILES 11 /* 10 plus one for standard output */ + +struct sed_commands_s { + sed_err_fn_t *errfn; + void *data; + + apr_size_t lsize; + char *linebuf; + char *lbend; + const char *saveq; + + char *cp; + char *lastre; + char *respace; + char sseof; + char *reend; + const char *earg; + int eflag; + int gflag; + int nflag; + apr_int64_t tlno[SED_NLINES]; + int nlno; + int depth; + + char *fname[NWFILES]; + int nfiles; + + sed_label_t ltab[SED_LABSIZE]; + sed_label_t *labtab; + sed_label_t *lab; + sed_label_t *labend; + + sed_reptr_t **cmpend[SED_DEPTH]; + sed_reptr_t *ptrspace; + sed_reptr_t *ptrend; + sed_reptr_t *rep; + int nrep; + apr_pool_t *pool; + int canbefinal; +}; + +typedef struct sed_eval_s sed_eval_t; + +struct sed_eval_s { + sed_err_fn_t *errfn; + sed_write_fn_t *writefn; + void *data; + + sed_commands_t *commands; + + apr_int64_t lnum; + void *fout; + + apr_size_t lsize; + char *linebuf; + char *lspend; + + apr_size_t hsize; + char *holdbuf; + char *hspend; + + apr_size_t gsize; + char *genbuf; + char *lcomend; + + apr_file_t *fcode[NWFILES]; + sed_reptr_t *abuf[SED_ABUFSIZE]; + sed_reptr_t **aptr; + sed_reptr_t *pending; + unsigned char *inar; + int nrep; + + int dolflag; + int sflag; + int jflag; + int delflag; + int lreadyflag; + int quitflag; + int finalflag; + int numpass; + int nullmatch; + int col; + apr_pool_t *pool; +}; + +apr_status_t sed_init_commands(sed_commands_t *commands, sed_err_fn_t *errfn, void *data, + apr_pool_t *p); +apr_status_t sed_compile_string(sed_commands_t *commands, const char *s); +apr_status_t sed_compile_file(sed_commands_t *commands, apr_file_t *fin); +char* sed_get_finalize_error(const sed_commands_t *commands, apr_pool_t* pool); +int sed_canbe_finalized(const sed_commands_t *commands); +void sed_destroy_commands(sed_commands_t *commands); + +apr_status_t sed_init_eval(sed_eval_t *eval, sed_commands_t *commands, + sed_err_fn_t *errfn, void *data, + sed_write_fn_t *writefn, apr_pool_t *p); +apr_status_t sed_reset_eval(sed_eval_t *eval, sed_commands_t *commands, sed_err_fn_t *errfn, void *data); +apr_status_t sed_eval_buffer(sed_eval_t *eval, const char *buf, apr_size_t bufsz, void *fout); +apr_status_t sed_eval_file(sed_eval_t *eval, apr_file_t *fin, void *fout); +apr_status_t sed_finalize_eval(sed_eval_t *eval, void *f); +void sed_destroy_eval(sed_eval_t *eval); + +#ifdef __cplusplus +} +#endif + +#endif /* LIBSED_H */ |