diff options
Diffstat (limited to '3rd-party/xfpt/src/xfpt.c')
| -rw-r--r-- | 3rd-party/xfpt/src/xfpt.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/3rd-party/xfpt/src/xfpt.c b/3rd-party/xfpt/src/xfpt.c new file mode 100644 index 000000000..31c69081f --- /dev/null +++ b/3rd-party/xfpt/src/xfpt.c @@ -0,0 +1,259 @@ +/************************************************* +* xfpt - Simple ASCII->Docbook processor * +*************************************************/ + +/* Copyright (c) University of Cambridge, 2012 */ +/* Written by Philip Hazel. */ + +/* This module contains the main program and initialization functions. */ + +#include "xfpt.h" + + + +/************************************************* +* Static variables * +*************************************************/ + +static uschar *xfpt_filename = NULL; +static uschar *out_filename = NULL; + + + + +/************************************************* +* Usage * +*************************************************/ + +static void +usage(void) +{ +(void)fprintf(stderr, + "Usage: xfpt [-help]\n" + " [-o <output-file>]\n" + " [-S <share-directory>]\n" + " [-v]\n" + " [input-file]\n"); +} + + + + +/************************************************* +* Command line argument decoding * +*************************************************/ + +/* Arguments: as for main() + Returns: TRUE if OK +*/ + +static BOOL +xfpt_decode_arg(int argc, char **argv) +{ +int i; +for (i = 1; i < argc; i++) + { + uschar *arg = US argv[i]; + if (*arg != '-') break; + if (Ustrcmp(arg, "-o") == 0) + { + out_filename = US argv[++i]; + if (out_filename == NULL) { usage(); return FALSE; } + } + else if (Ustrcmp(arg, "-S") == 0) + { + xfpt_share = US argv[++i]; + if (xfpt_share == NULL) { usage(); return FALSE; } + } + else if (Ustrcmp(arg, "-help") == 0 || Ustrcmp(arg, "--help") == 0) + { + usage(); + return FALSE; + } + else if (Ustrcmp(arg, "-v") == 0) + { + (void)fprintf(stdout, "xpft version %s\n", xfpt_version); + exit(0); + } + else + { + (void)fprintf(stderr, "xfpt: unknown option \"%s\"\n", arg); + usage(); + return FALSE; + } + } + +/* Require there to be either 0 or 1 command line argument left. */ + +if (argc > i + 1) + { + usage(); + return FALSE; + } + +/* This will set NULL if there is no file name. If there is a file name and no +output file is specified, default it to the input name with a .xml extension. */ + +xfpt_filename = US argv[i]; +if (xfpt_filename != NULL && out_filename == NULL) + { + uschar *p; + int len = Ustrlen(xfpt_filename); + out_filename = misc_malloc(len + 5); + Ustrcpy(out_filename, xfpt_filename); + if ((p = Ustrrchr(out_filename, '.')) != NULL) len = p - out_filename; + Ustrcpy(out_filename + len, ".xml"); + } + +return TRUE; +} + + + +/************************************************* +* Entry point and main program * +*************************************************/ + +int +main(int argc, char **argv) +{ +BOOL para_unfinished[MAXNEST+1]; +int warnpop = 0; +uschar *p, *q; + +if (!xfpt_decode_arg(argc, argv)) return EXIT_FAILURE; + +inbuffer = misc_malloc(INBUFFSIZE); +parabuffer = misc_malloc(PARABUFFSIZE); + +/* Set up the first file */ + +istackbase = istack = misc_malloc(sizeof(istackstr)); +istack->prev = NULL; +istack->linenumber = 0; + +from_type_ptr = 0; +from_type[from_type_ptr] = FROM_FILE; + +if (xfpt_filename == NULL) + { + istack->file = stdin; + Ustrcpy(istack->filename, US"(stdin)"); + } +else + { + Ustrcpy(istack->filename, xfpt_filename); + istack->file = Ufopen(xfpt_filename, "rb"); + if (istack->file == NULL) + error(0, istack->filename, strerror(errno)); /* Hard */ + } + +/* Set up the output file. */ + +if (out_filename == NULL || Ustrcmp(out_filename, "-") == 0) + { + outfile = stdout; + } +else + { + outfile = Ufopen(out_filename, "wb"); + if (outfile == NULL) + error(0, out_filename, strerror(errno)); /* Hard error */ + } + +/* Process the input */ + +nest_level = 0; +para_unfinished[0] = FALSE; + +while ((p = read_nextline()) != NULL) + { + if (*p == '.') dot_process(p); else switch (literal_state) + { + case LITERAL_LAYOUT: + para_process(p); + break; + + case LITERAL_TEXT: + literal_process(p); + break; + + case LITERAL_XML: + (void)fprintf(outfile, "%s", CS p); + break; + + default: + case LITERAL_OFF: + q = p; + while (isspace(*q)) q++; + if (*q != 0) + { + int nest_info; + p = read_paragraph(p, &nest_info); + if (!para_unfinished[nest_level]) + { + (void)fprintf(outfile, "<"); + para_process(US"para&xfpt.rev;"); + (void)fprintf(outfile, ">\n"); + } + + para_process(p); + if (nest_info == NEST_BEGIN) + { + if (nest_level >= MAXNEST) error(27); else + { + nest_literal_stack[nest_level] = literal_state; + para_unfinished[nest_level++] = TRUE; + } + } + else (void)fprintf(outfile, "</para>\n"); + + para_unfinished[nest_level] = FALSE; + + if (nest_info == NEST_END) + { + if (nest_level <= 0) error(28); + else literal_state = nest_literal_stack[--nest_level]; + } + } + break; + } + } + +/* Empty the stack of pushed texts, close the output, and we are done. */ + +while (pushed != NULL) + { + if (!suppress_warnings) + { + if (pushed->check != 0) + { + if (warnpop++ == 0) + fprintf(stderr, + "** Warning: one or more items were left unclosed at the end of processing.\n" + " The numbers are the lines in the original file %s from where\n" + " the items were generated:\n", + ((xfpt_filename == NULL)? "(stdin)" : (char *)xfpt_filename)); + if (pushed->macname == NULL) + fprintf(stderr, "%d: %s\n", pushed->check, pushed->string); + else + fprintf(stderr, "%d: .%s\n", pushed->check, pushed->macname); + + if (warnpop > 10) + { + fprintf(stderr, "... too many to list\n"); + suppress_warnings = TRUE; + } + } + } + para_process(pushed->string); + (void)fprintf(outfile, "\n"); + pushed = pushed->next; + } + +(void)fclose(outfile); + +return return_code; +} + +/* End of xfpt.c */ |