/* * xmlcatalog.c : a small utility program to handle XML catalogs * * See Copyright for the status of this software. * * daniel@veillard.com */ #include "libxml.h" #include <string.h> #include <stdio.h> #include <stdarg.h> #ifdef HAVE_STDLIB_H #include <stdlib.h> #endif #ifdef HAVE_LIBREADLINE #include <readline/readline.h> #ifdef HAVE_LIBHISTORY #include <readline/history.h> #endif #endif #include <libxml/xmlmemory.h> #include <libxml/uri.h> #include <libxml/catalog.h> #include <libxml/parser.h> #include <libxml/globals.h> #if defined(LIBXML_CATALOG_ENABLED) && defined(LIBXML_OUTPUT_ENABLED) static int shell = 0; static int sgml = 0; static int noout = 0; static int create = 0; static int add = 0; static int del = 0; static int convert = 0; static int no_super_update = 0; static int verbose = 0; static char *filename = NULL; #ifndef XML_SGML_DEFAULT_CATALOG #define XML_SGML_DEFAULT_CATALOG "/etc/sgml/catalog" #endif /************************************************************************ * * * Shell Interface * * * ************************************************************************/ /** * xmlShellReadline: * @prompt: the prompt value * * Read a string * * Returns a pointer to it or NULL on EOF the caller is expected to * free the returned string. */ static char * xmlShellReadline(const char *prompt) { #ifdef HAVE_LIBREADLINE char *line_read; /* Get a line from the user. */ line_read = readline (prompt); /* If the line has any text in it, save it on the history. */ if (line_read && *line_read) add_history (line_read); return (line_read); #else char line_read[501]; char *ret; int len; if (prompt != NULL) fprintf(stdout, "%s", prompt); if (!fgets(line_read, 500, stdin)) return(NULL); line_read[500] = 0; len = strlen(line_read); ret = (char *) malloc(len + 1); if (ret != NULL) { memcpy (ret, line_read, len + 1); } return(ret); #endif } static void usershell(void) { char *cmdline = NULL, *cur; int nbargs; char command[100]; char arg[400]; char *argv[20]; int i, ret; xmlChar *ans; while (1) { cmdline = xmlShellReadline("> "); if (cmdline == NULL) return; /* * Parse the command itself */ cur = cmdline; nbargs = 0; while ((*cur == ' ') || (*cur == '\t')) cur++; i = 0; while ((*cur != ' ') && (*cur != '\t') && (*cur != '\n') && (*cur != '\r')) { if (*cur == 0) break; command[i++] = *cur++; } command[i] = 0; if (i == 0) { free(cmdline); continue; } /* * Parse the argument string */ memset(arg, 0, sizeof(arg)); while ((*cur == ' ') || (*cur == '\t')) cur++; i = 0; while ((*cur != '\n') && (*cur != '\r') && (*cur != 0)) { if (*cur == 0) break; arg[i++] = *cur++; } arg[i] = 0; /* * Parse the arguments */ i = 0; nbargs = 0; cur = arg; memset(argv, 0, sizeof(argv)); while (*cur != 0) { while ((*cur == ' ') || (*cur == '\t')) cur++; if (*cur == '\'') { cur++; argv[i] = cur; while ((*cur != 0) && (*cur != '\'')) cur++; if (*cur == '\'') { *cur = 0; nbargs++; i++; cur++; } } else if (*cur == '"') { cur++; argv[i] = cur; while ((*cur != 0) && (*cur != '"')) cur++; if (*cur == '"') { *cur = 0; nbargs++; i++; cur++; } } else { argv[i] = cur; while ((*cur != 0) && (*cur != ' ') && (*cur != '\t')) cur++; *cur = 0; nbargs++; i++; cur++; } } /* * start interpreting the command */ if (!strcmp(command, "exit")) break; if (!strcmp(command, "quit")) break; if (!strcmp(command, "bye")) break; if (!strcmp(command, "public")) { if (nbargs != 1) { printf("public requires 1 arguments\n"); } else { ans = xmlCatalogResolvePublic((const xmlChar *) argv[0]); if (ans == NULL) { printf("No entry for PUBLIC %s\n", argv[0]); } else { printf("%s\n", (char *) ans); xmlFree(ans); } } } else if (!strcmp(command, "system")) { if (nbargs != 1) { printf("system requires 1 arguments\n"); } else { ans = xmlCatalogResolveSystem((const xmlChar *) argv[0]); if (ans == NULL) { printf("No entry for SYSTEM %s\n", argv[0]); } else { printf("%s\n", (char *) ans); xmlFree(ans); } } } else if (!strcmp(command, "add")) { if (sgml) { if ((nbargs != 3) && (nbargs != 2)) { printf("add requires 2 or 3 arguments\n"); } else { if (argv[2] == NULL) ret = xmlCatalogAdd(BAD_CAST argv[0], NULL, BAD_CAST argv[1]); else ret = xmlCatalogAdd(BAD_CAST argv[0], BAD_CAST argv[1], BAD_CAST argv[2]); if (ret != 0) printf("add command failed\n"); } } else { if ((nbargs != 3) && (nbargs != 2)) { printf("add requires 2 or 3 arguments\n"); } else { if (argv[2] == NULL) ret = xmlCatalogAdd(BAD_CAST argv[0], NULL, BAD_CAST argv[1]); else ret = xmlCatalogAdd(BAD_CAST argv[0], BAD_CAST argv[1], BAD_CAST argv[2]); if (ret != 0) printf("add command failed\n"); } } } else if (!strcmp(command, "del")) { if (nbargs != 1) { printf("del requires 1\n"); } else { ret = xmlCatalogRemove(BAD_CAST argv[0]); if (ret <= 0) printf("del command failed\n"); } } else if (!strcmp(command, "resolve")) { if (nbargs != 2) { printf("resolve requires 2 arguments\n"); } else { ans = xmlCatalogResolve(BAD_CAST argv[0], BAD_CAST argv[1]); if (ans == NULL) { printf("Resolver failed to find an answer\n"); } else { printf("%s\n", (char *) ans); xmlFree(ans); } } } else if (!strcmp(command, "dump")) { if (nbargs != 0) { printf("dump has no arguments\n"); } else { xmlCatalogDump(stdout); } } else if (!strcmp(command, "debug")) { if (nbargs != 0) { printf("debug has no arguments\n"); } else { verbose++; xmlCatalogSetDebug(verbose); } } else if (!strcmp(command, "quiet")) { if (nbargs != 0) { printf("quiet has no arguments\n"); } else { if (verbose > 0) verbose--; xmlCatalogSetDebug(verbose); } } else { if (strcmp(command, "help")) { printf("Unrecognized command %s\n", command); } printf("Commands available:\n"); printf("\tpublic PublicID: make a PUBLIC identifier lookup\n"); printf("\tsystem SystemID: make a SYSTEM identifier lookup\n"); printf("\tresolve PublicID SystemID: do a full resolver lookup\n"); printf("\tadd 'type' 'orig' 'replace' : add an entry\n"); printf("\tdel 'values' : remove values\n"); printf("\tdump: print the current catalog state\n"); printf("\tdebug: increase the verbosity level\n"); printf("\tquiet: decrease the verbosity level\n"); printf("\texit: quit the shell\n"); } free(cmdline); /* not xmlFree here ! */ } } /************************************************************************ * * * Main * * * ************************************************************************/ static void usage(const char *name) { /* split into 2 printf's to avoid overly long string (gcc warning) */ printf("\ Usage : %s [options] catalogfile entities...\n\ \tParse the catalog file and query it for the entities\n\ \t--sgml : handle SGML Super catalogs for --add and --del\n\ \t--shell : run a shell allowing interactive queries\n\ \t--create : create a new catalog\n\ \t--add 'type' 'orig' 'replace' : add an XML entry\n\ \t--add 'entry' : add an SGML entry\n", name); printf("\ \t--del 'values' : remove values\n\ \t--noout: avoid dumping the result on stdout\n\ \t used with --add or --del, it saves the catalog changes\n\ \t and with --sgml it automatically updates the super catalog\n\ \t--no-super-update: do not update the SGML super catalog\n\ \t-v --verbose : provide debug informations\n"); } int main(int argc, char **argv) { int i; int ret; int exit_value = 0; if (argc <= 1) { usage(argv[0]); return(1); } LIBXML_TEST_VERSION for (i = 1; i < argc ; i++) { if (!strcmp(argv[i], "-")) break; if (argv[i][0] != '-') break; if ((!strcmp(argv[i], "-verbose")) || (!strcmp(argv[i], "-v")) || (!strcmp(argv[i], "--verbose"))) { verbose++; xmlCatalogSetDebug(verbose); } else if ((!strcmp(argv[i], "-noout")) || (!strcmp(argv[i], "--noout"))) { noout = 1; } else if ((!strcmp(argv[i], "-shell")) || (!strcmp(argv[i], "--shell"))) { shell++; noout = 1; } else if ((!strcmp(argv[i], "-sgml")) || (!strcmp(argv[i], "--sgml"))) { sgml++; } else if ((!strcmp(argv[i], "-create")) || (!strcmp(argv[i], "--create"))) { create++; } else if ((!strcmp(argv[i], "-convert")) || (!strcmp(argv[i], "--convert"))) { convert++; } else if ((!strcmp(argv[i], "-no-super-update")) || (!strcmp(argv[i], "--no-super-update"))) { no_super_update++; } else if ((!strcmp(argv[i], "-add")) || (!strcmp(argv[i], "--add"))) { if (sgml) i += 2; else i += 3; add++; } else if ((!strcmp(argv[i], "-del")) || (!strcmp(argv[i], "--del"))) { i += 1; del++; } else { fprintf(stderr, "Unknown option %s\n", argv[i]); usage(argv[0]); return(1); } } for (i = 1; i < argc; i++) { if ((!strcmp(argv[i], "-add")) || (!strcmp(argv[i], "--add"))) { if (sgml) i += 2; else i += 3; continue; } else if ((!strcmp(argv[i], "-del")) || (!strcmp(argv[i], "--del"))) { i += 1; /* No catalog entry specified */ if (i == argc || (sgml && i + 1 == argc)) { fprintf(stderr, "No catalog entry specified to remove from\n"); usage (argv[0]); return(1); } continue; } else if (argv[i][0] == '-') continue; filename = argv[i]; ret = xmlLoadCatalog(argv[i]); if ((ret < 0) && (create)) { xmlCatalogAdd(BAD_CAST "catalog", BAD_CAST argv[i], NULL); } break; } if (convert) ret = xmlCatalogConvert(); if ((add) || (del)) { for (i = 1; i < argc ; i++) { if (!strcmp(argv[i], "-")) break; if (argv[i][0] != '-') continue; if (strcmp(argv[i], "-add") && strcmp(argv[i], "--add") && strcmp(argv[i], "-del") && strcmp(argv[i], "--del")) continue; if (sgml) { /* * Maintenance of SGML catalogs. */ xmlCatalogPtr catal = NULL; xmlCatalogPtr super = NULL; catal = xmlLoadSGMLSuperCatalog(argv[i + 1]); if ((!strcmp(argv[i], "-add")) || (!strcmp(argv[i], "--add"))) { if (catal == NULL) catal = xmlNewCatalog(1); xmlACatalogAdd(catal, BAD_CAST "CATALOG", BAD_CAST argv[i + 2], NULL); if (!no_super_update) { super = xmlLoadSGMLSuperCatalog(XML_SGML_DEFAULT_CATALOG); if (super == NULL) super = xmlNewCatalog(1); xmlACatalogAdd(super, BAD_CAST "CATALOG", BAD_CAST argv[i + 1], NULL); } } else { if (catal != NULL) ret = xmlACatalogRemove(catal, BAD_CAST argv[i + 2]); else ret = -1; if (ret < 0) { fprintf(stderr, "Failed to remove entry from %s\n", argv[i + 1]); exit_value = 1; } if ((!no_super_update) && (noout) && (catal != NULL) && (xmlCatalogIsEmpty(catal))) { super = xmlLoadSGMLSuperCatalog( XML_SGML_DEFAULT_CATALOG); if (super != NULL) { ret = xmlACatalogRemove(super, BAD_CAST argv[i + 1]); if (ret < 0) { fprintf(stderr, "Failed to remove entry from %s\n", XML_SGML_DEFAULT_CATALOG); exit_value = 1; } } } } if (noout) { FILE *out; if (xmlCatalogIsEmpty(catal)) { remove(argv[i + 1]); } else { out = fopen(argv[i + 1], "w"); if (out == NULL) { fprintf(stderr, "could not open %s for saving\n", argv[i + 1]); exit_value = 2; noout = 0; } else { xmlACatalogDump(catal, out); fclose(out); } } if (!no_super_update && super != NULL) { if (xmlCatalogIsEmpty(super)) { remove(XML_SGML_DEFAULT_CATALOG); } else { out = fopen(XML_SGML_DEFAULT_CATALOG, "w"); if (out == NULL) { fprintf(stderr, "could not open %s for saving\n", XML_SGML_DEFAULT_CATALOG); exit_value = 2; noout = 0; } else { xmlACatalogDump(super, out); fclose(out); } } } } else { xmlACatalogDump(catal, stdout); } i += 2; } else { if ((!strcmp(argv[i], "-add")) || (!strcmp(argv[i], "--add"))) { if ((argv[i + 3] == NULL) || (argv[i + 3][0] == 0)) ret = xmlCatalogAdd(BAD_CAST argv[i + 1], NULL, BAD_CAST argv[i + 2]); else ret = xmlCatalogAdd(BAD_CAST argv[i + 1], BAD_CAST argv[i + 2], BAD_CAST argv[i + 3]); if (ret != 0) { printf("add command failed\n"); exit_value = 3; } i += 3; } else if ((!strcmp(argv[i], "-del")) || (!strcmp(argv[i], "--del"))) { ret = xmlCatalogRemove(BAD_CAST argv[i + 1]); if (ret < 0) { fprintf(stderr, "Failed to remove entry %s\n", argv[i + 1]); exit_value = 1; } i += 1; } } } } else if (shell) { usershell(); } else { for (i++; i < argc; i++) { xmlURIPtr uri; xmlChar *ans; uri = xmlParseURI(argv[i]); if (uri == NULL) { ans = xmlCatalogResolvePublic((const xmlChar *) argv[i]); if (ans == NULL) { printf("No entry for PUBLIC %s\n", argv[i]); exit_value = 4; } else { printf("%s\n", (char *) ans); xmlFree(ans); } } else { xmlFreeURI(uri); ans = xmlCatalogResolveSystem((const xmlChar *) argv[i]); if (ans == NULL) { printf("No entry for SYSTEM %s\n", argv[i]); ans = xmlCatalogResolveURI ((const xmlChar *) argv[i]); if (ans == NULL) { printf ("No entry for URI %s\n", argv[i]); exit_value = 4; } else { printf("%s\n", (char *) ans); xmlFree (ans); } } else { printf("%s\n", (char *) ans); xmlFree(ans); } } } } if ((!sgml) && ((add) || (del) || (create) || (convert))) { if (noout && filename && *filename) { FILE *out; out = fopen(filename, "w"); if (out == NULL) { fprintf(stderr, "could not open %s for saving\n", filename); exit_value = 2; noout = 0; } else { xmlCatalogDump(out); } } else { xmlCatalogDump(stdout); } } /* * Cleanup and check for memory leaks */ xmlCleanupParser(); xmlMemoryDump(); return(exit_value); } #else int main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) { fprintf(stderr, "libxml was not compiled with catalog and output support\n"); return(1); } #endif