+++ /dev/null
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018, Olivier MATZ <zer0@droids-corp.org>
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <getopt.h>
-#include <errno.h>
-
-#include <ecoli_init.h>
-#include <ecoli_strvec.h>
-#include <ecoli_node.h>
-#include <ecoli_parse.h>
-#include <ecoli_complete.h>
-#include <ecoli_yaml.h>
-#include <ecoli_editline.h>
-#include <ecoli_node_sh_lex.h>
-
-static char *input_file;
-static char *output_file;
-static bool complete;
-
-static const char short_options[] =
- "h" /* help */
- "i:" /* input-file */
- "o:" /* output-file */
- "c" /* complete */
- ;
-
-#define OPT_HELP "help"
-#define OPT_INPUT_FILE "input-file"
-#define OPT_OUTPUT_FILE "output-file"
-#define OPT_COMPLETE "complete"
-
-static const struct option long_options[] = {
- {OPT_HELP, 0, NULL, 'h'},
- {OPT_INPUT_FILE, 1, NULL, 'i'},
- {OPT_OUTPUT_FILE, 1, NULL, 'o'},
- {OPT_COMPLETE, 0, NULL, 'c'},
- {NULL, 0, NULL, 0}
-};
-
-static void usage(const char *prgname)
-{
- fprintf(stderr, "%s -o <file.sh> -i <file.yaml>\n"
- " -h\n"
- " --"OPT_HELP"\n"
- " Show this help.\n"
- " -i <input-file>\n"
- " --"OPT_INPUT_FILE"=<file>\n"
- " Set the yaml input file describing the grammar.\n"
- " -o <output-file>\n"
- " --"OPT_OUTPUT_FILE"=<file>\n"
- " Set the output file.\n"
- " -c\n"
- " --"OPT_COMPLETE"\n"
- " Output the completion list."
- , prgname);
-}
-
-static int parse_args(int argc, char **argv)
-{
- int ret, opt;
-
- while ((opt = getopt_long(argc, argv, short_options,
- long_options, NULL)) != EOF) {
-
- switch (opt) {
- case 'h': /* help */
- usage(argv[0]);
- exit(0);
-
- case 'i': /* input-file */
- input_file = strdup(optarg);
- break;
-
- case 'o': /* output-file */
- output_file = strdup(optarg);
- break;
-
- case 'c': /* complete */
- complete = 1;
- break;
-
- default:
- usage(argv[0]);
- return -1;
- }
-
- }
-
- if (input_file == NULL) {
- fprintf(stderr, "No input file\n");
- usage(argv[0]);
- return -1;
- }
- if (output_file == NULL) {
- fprintf(stderr, "No output file\n");
- usage(argv[0]);
- return -1;
- }
-
- ret = optind - 1;
- optind = 1;
-
- return ret;
-}
-
-static int
-__dump_as_shell(FILE *f, const struct ec_parse *parse, size_t *seq)
-{
- const struct ec_node *node = ec_parse_get_node(parse);
- struct ec_parse *child;
- size_t cur_seq, i, len;
- const char *s;
-
- (*seq)++;
- cur_seq = *seq;
-
- // XXX protect strings
-
-
- fprintf(f, "ec_node%zu_id='%s'\n", cur_seq, ec_node_id(node));
- fprintf(f, "ec_node%zu_type='%s'\n", cur_seq,
- ec_node_type_name(ec_node_type(node)));
-
- len = ec_strvec_len(ec_parse_strvec(parse));
- fprintf(f, "ec_node%zu_strvec_len=%zu\n", cur_seq, len);
- for (i = 0; i < len; i++) {
- s = ec_strvec_val(ec_parse_strvec(parse), i);
- fprintf(f, "ec_node%zu_str%zu='%s'\n", cur_seq, i, s);
- }
-
- if (ec_parse_get_first_child(parse) != NULL) {
- fprintf(f, "ec_node%zu_first_child='ec_node%zu'\n",
- cur_seq, cur_seq + 1);
- }
-
- EC_PARSE_FOREACH_CHILD(child, parse) {
- fprintf(f, "ec_node%zu_parent='ec_node%zu'\n",
- *seq + 1, cur_seq);
- __dump_as_shell(f, child, seq);
- }
-
- if (ec_parse_get_next(parse) != NULL) {
- fprintf(f, "ec_node%zu_next='ec_node%zu'\n",
- cur_seq, *seq + 1);
- }
-
- return 0;
-}
-
-static int
-dump_as_shell(const struct ec_parse *parse)
-{
- FILE *f;
- size_t seq = 0;
- int ret;
-
- f = fopen(output_file, "w");
- if (f == NULL)
- return -1;
-
- ret = __dump_as_shell(f, parse, &seq);
-
- fclose(f);
-
- return ret;
-}
-
-static int
-interact(struct ec_node *node)
-{
- struct ec_editline *editline = NULL;
- struct ec_parse *parse = NULL;
- struct ec_node *shlex = NULL;
- char *line = NULL;
-
- shlex = ec_node_sh_lex(EC_NO_ID, ec_node_clone(node)); //XXX
- if (shlex == NULL) {
- fprintf(stderr, "Failed to add lexer node\n");
- goto fail;
- }
-
- editline = ec_editline("ecoli", stdin, stdout, stderr, 0);
- if (editline == NULL) {
- fprintf(stderr, "Failed to initialize editline\n");
- goto fail;
- }
-
- parse = ec_editline_parse(editline, shlex);
- if (parse == NULL)
- goto fail;
-
- if (!ec_parse_matches(parse))
- goto fail;
-
- //ec_parse_dump(stdout, parse);
-
- if (dump_as_shell(parse) < 0) {
- fprintf(stderr, "Failed to dump the parsed result\n");
- goto fail;
- }
-
- ec_parse_free(parse);
- ec_editline_free(editline);
- ec_node_free(shlex);
- return 0;
-
-fail:
- ec_parse_free(parse);
- ec_editline_free(editline);
- free(line);
- ec_node_free(shlex);
- return -1;
-}
-
-static int
-complete_words(const struct ec_node *node, int argc, char *argv[])
-{
- struct ec_comp *comp = NULL;
- struct ec_strvec *strvec = NULL;
- struct ec_comp_iter *iter = NULL;
- struct ec_comp_item *item = NULL;
- size_t count;
-
- if (argc <= 1)
- goto fail;
- strvec = ec_strvec_from_array((const char * const *)&argv[1],
- argc - 1);
- if (strvec == NULL)
- goto fail;
-
- comp = ec_node_complete_strvec(node, strvec);
- if (comp == NULL)
- goto fail;
-
- count = ec_comp_count(comp, EC_COMP_UNKNOWN | EC_COMP_FULL |
- EC_COMP_PARTIAL);
-
- iter = ec_comp_iter(comp,
- EC_COMP_UNKNOWN | EC_COMP_FULL | EC_COMP_PARTIAL);
- if (iter == NULL)
- goto fail;
-
- while ((item = ec_comp_iter_next(iter)) != NULL) {
-
- /* only one match, display it fully */
- if (count == 1) {
- printf("%s\n", ec_comp_item_get_str(item));
- break;
- }
-
- /* else show the 'display' part only */
- printf("%s\n", ec_comp_item_get_display(item));
- }
-
- ec_comp_iter_free(iter);
- ec_comp_free(comp);
- ec_strvec_free(strvec);
- return 0;
-
-fail:
- ec_comp_free(comp);
- ec_strvec_free(strvec);
- return -1;
-}
-
-int
-main(int argc, char *argv[])
-{
- struct ec_node *node = NULL;
- int ret;
-
- ret = parse_args(argc, argv);
- if (ret < 0)
- goto fail;
-
- argc -= ret;
- argv += ret;
-
- if (ec_init() < 0) {
- fprintf(stderr, "cannot init ecoli: %s\n", strerror(errno));
- return 1;
- }
-
- node = ec_yaml_import(input_file);
- if (node == NULL) {
- fprintf(stderr, "Failed to parse file\n");
- goto fail;
- }
- //ec_node_dump(stdout, node);
-
- if (complete) {
- if (complete_words(node, argc, argv) < 0)
- goto fail;
- } else {
- if (interact(node) < 0)
- goto fail;
- }
-
- ec_node_free(node);
-
- return 0;
-
-fail:
- ec_node_free(node);
- return 1;
-}
git.droids-corp.org / protos / libecoli.git / blobdiff