125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <malloc.h>
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#include <assert.h>
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#include "xml.h"
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#define ROOTNODE "/PropertyList/generic"
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#define BUFLEN 4096
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#define PRINT_ERROR_AND_EXIT(id) \
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if (xmlErrorGetNo(id, 0) != XML_NO_ERROR) { \
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const char *errstr = xmlErrorGetString(id, 0); \
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size_t column = xmlErrorGetColumnNo(id, 0); \
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size_t lineno = xmlErrorGetLineNo(id, 1); \
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printf("Error at line %i, column %i: %s\n", lineno, column, errstr); \
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exit(-1); \
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}
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void print_binary_protocol(void *, char *, char *);
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int main(int argc, char **argv)
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{
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void *root_id, *protocol_id = 0;
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char *filename;
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if (argc != 2)
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{
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printf("Usage: %s <filename>\n", argv[0]);
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exit(-1);
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}
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filename = argv[1];
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root_id = xmlOpen(filename);
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if (root_id) protocol_id = xmlNodeGet(root_id, ROOTNODE);
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if (protocol_id)
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{
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void *dir_id;
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dir_id = xmlNodeGet(protocol_id, "input");
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if (dir_id)
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{
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if (!xmlNodeCompareString(dir_id, "binary_mode", "true")) {
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print_binary_protocol(dir_id, filename, "input");
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} else {
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printf("Only binary mode support is implemented at the moment.\n");
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}
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free(dir_id);
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}
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dir_id = xmlNodeGet(protocol_id, "output");
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if (dir_id)
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{
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if (!xmlNodeCompareString(dir_id, "binary_mode", "true")) {
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print_binary_protocol(dir_id, filename, "output");
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} else {
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printf("Only binary mode support is implemented at the moment.\n");
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}
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free(dir_id);
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}
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free(protocol_id);
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}
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if (root_id)
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{
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xmlClose(root_id);
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}
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return 0;
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}
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/* -------------------------------------------------------------------------- */
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void print_binary_protocol(void *id, char *filename, char *dir)
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{
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unsigned int i, num, pos = 0;
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void *xid;
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printf("\n%s\n", filename);
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printf("Generic binary %s protocol packet description:\n\n", dir);
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printf(" pos | size | type | factor | description\n");
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printf("-----|------|--------|------------|------------------------\n");
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xid = xmlMarkId(id);
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num = xmlNodeGetNum(xid, "chunk");
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for (i=0; i<num; i++)
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{
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if (xmlNodeGetPos(id, xid, "chunk", i) != 0)
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{
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char factor[11];
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char *name, *type;
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int size;
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type = xmlNodeGetString(xid, "type");
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if (!strcasecmp(type, "bool")) {
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size = 1;
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} else if (!strcasecmp(type, "float")) {
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size = 4;
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} else if (!strcasecmp(type, "double")) {
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size = 8;
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} else if (!strcasecmp(type, "int")) {
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size = 4;
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} else {
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printf("Unsupported type sepcified: '%s'\n\n", type);
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free(type);
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free(xid);
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return;
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}
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xmlNodeCopyString(xid, "factor", (char *)&factor, 10);
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name = xmlNodeGetString(xid, "name");
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printf("%4i | %4i | %6s | %10s | %s\n", pos, size, type, factor, name);
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pos += size;
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free(type);
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free(name);
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}
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}
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printf("\ntotal package size: %i bytes\n\n", pos);
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free(xid);
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}
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