| /* ezxml.c |
| * |
| * Copyright 2004-2006 Aaron Voisine <aaron@voisine.org> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included |
| * in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| /*#include <stdlib.h> |
| #include <stdio.h> |
| #include <stdarg.h> |
| #include <string.h> |
| #include <ctype.h> |
| #include <unistd.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| */ |
| #include "../../linux_oss/mvOs.h" |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/version.h> |
| #include <linux/string.h> |
| #include <linux/time.h> |
| #include <linux/ctype.h> |
| #include <linux/slab.h> |
| #include <linux/vmalloc.h> |
| #include <linux/byteorder/generic.h> |
| #include <asm/unaligned.h> |
| #include <linux/delay.h> |
| #include <linux/spinlock.h> |
| #include "linux/fs.h" |
| #include "asm/uaccess.h" |
| |
| #include "ezxml.h" |
| |
| void* ezxml_realloc(void *p, size_t new_size); |
| |
| #define malloc(SIZE) kmalloc((SIZE), GFP_KERNEL) |
| #define realloc(PTR, SIZE) ezxml_realloc((PTR), (SIZE)) |
| #define free kfree |
| #define stat kstat |
| |
| |
| #define EZXML_WS "\t\r\n " // whitespace |
| #define EZXML_ERRL 128 // maximum error string length |
| |
| typedef struct ezxml_root *ezxml_root_t; |
| struct ezxml_root { // additional data for the root tag |
| struct ezxml xml; // is a super-struct built on top of ezxml struct |
| ezxml_t cur; // current xml tree insertion point |
| char *m; // original xml string |
| size_t len; // length of allocated memory for mmap, -1 for malloc |
| char *u; // UTF-8 conversion of string if original was UTF-16 |
| char *s; // start of work area |
| char *e; // end of work area |
| char **ent; // general entities (ampersand sequences) |
| char ***attr; // default attributes |
| char ***pi; // processing instructions |
| short standalone; // non-zero if <?xml standalone="yes"?> |
| char err[EZXML_ERRL]; // error string |
| }; |
| |
| char *EZXML_NIL[] = { NULL }; // empty, null terminated array of strings |
| |
| char *strdup(const char *pString) |
| { |
| char *pMemory = NULL; |
| size_t size = 0; |
| |
| if( !pString ) |
| return(NULL); |
| |
| size = strlen(pString) + 1; |
| |
| if( (pMemory = malloc(size)) ) |
| { |
| strcpy(pMemory, pString); |
| return pMemory; |
| } |
| |
| return NULL; |
| } |
| |
| // returns the first child tag with the given name or NULL if not found |
| ezxml_t ezxml_child(ezxml_t xml, const char *name) |
| { |
| xml = (xml) ? xml->child : NULL; |
| while (xml && strcmp(name, xml->name)) xml = xml->sibling; |
| return xml; |
| } |
| |
| // returns the Nth tag with the same name in the same subsection or NULL if not |
| // found |
| ezxml_t ezxml_idx(ezxml_t xml, int idx) |
| { |
| for (; xml && idx; idx--) xml = xml->next; |
| return xml; |
| } |
| |
| // returns the value of the requested tag attribute or NULL if not found |
| const char *ezxml_attr(ezxml_t xml, const char *attr) |
| { |
| int i = 0, j = 1; |
| ezxml_root_t root = (ezxml_root_t)xml; |
| |
| if (! xml || ! xml->attr) return NULL; |
| while (xml->attr[i] && strcmp(attr, xml->attr[i])) i += 2; |
| if (xml->attr[i]) return xml->attr[i + 1]; // found attribute |
| |
| while (root->xml.parent) root = (ezxml_root_t)root->xml.parent; // root tag |
| for (i = 0; root->attr[i] && strcmp(xml->name, root->attr[i][0]); i++); |
| if (! root->attr[i]) return NULL; // no matching default attributes |
| while (root->attr[i][j] && strcmp(attr, root->attr[i][j])) j += 3; |
| return (root->attr[i][j]) ? root->attr[i][j + 1] : NULL; // found default |
| } |
| |
| // same as ezxml_get but takes an already initialized va_list |
| ezxml_t ezxml_vget(ezxml_t xml, va_list ap) |
| { |
| char *name = va_arg(ap, char *); |
| int idx = -1; |
| |
| if (name && *name) { |
| idx = va_arg(ap, int); |
| xml = ezxml_child(xml, name); |
| } |
| return (idx < 0)? xml : ezxml_vget(ezxml_idx(xml, idx), ap); |
| } |
| |
| // Traverses the xml tree to retrieve a specific subtag. Takes a variable |
| // length list of tag names and indexes. The argument list must be terminated |
| // by either an index of -1 or an empty string tag name. Example: |
| // title = ezxml_get(library, "shelf", 0, "book", 2, "title", -1); |
| // This retrieves the title of the 3rd book on the 1st shelf of library. |
| // Returns NULL if not found. |
| ezxml_t ezxml_get(ezxml_t xml, ...) |
| { |
| va_list ap; |
| ezxml_t r; |
| |
| |
| va_start(ap, xml); |
| r = ezxml_vget(xml, ap); |
| va_end(ap); |
| return r; |
| } |
| |
| // returns a null terminated array of processing instructions for the given |
| // target |
| const char **ezxml_pi(ezxml_t xml, const char *target) |
| { |
| ezxml_root_t root = (ezxml_root_t)xml; |
| int i = 0; |
| |
| if (! root) return (const char **)EZXML_NIL; |
| while (root->xml.parent) root = (ezxml_root_t)root->xml.parent; // root tag |
| while (root->pi[i] && strcmp(target, root->pi[i][0])) i++; // find target |
| return (const char **)((root->pi[i]) ? root->pi[i] + 1 : EZXML_NIL); |
| } |
| |
| // set an error string and return root |
| ezxml_t ezxml_err(ezxml_root_t root, char *s, const char *err, ...) |
| { |
| va_list ap; |
| int line = 1; |
| char *t, fmt[EZXML_ERRL]; |
| |
| for (t = root->s; t < s; t++) if (*t == '\n') line++; |
| snprintf(fmt, EZXML_ERRL, "[error near line %d]: %s", line, err); |
| |
| va_start(ap, err); |
| vsnprintf(root->err, EZXML_ERRL, fmt, ap); |
| va_end(ap); |
| |
| return &root->xml; |
| } |
| |
| // Recursively decodes entity and character references and normalizes new lines |
| // ent is a null terminated array of alternating entity names and values. set t |
| // to '&' for general entity decoding, '%' for parameter entity decoding, 'c' |
| // for cdata sections, ' ' for attribute normalization, or '*' for non-cdata |
| // attribute normalization. Returns s, or if the decoded string is longer than |
| // s, returns a malloced string that must be freed. |
| char *ezxml_decode(char *s, char **ent, char t) |
| { |
| char *e, *r = s, *m = s; |
| long b, c, d, l; |
| |
| for (; *s; s++) { // normalize line endings |
| while (*s == '\r') { |
| *(s++) = '\n'; |
| if (*s == '\n') memmove(s, (s + 1), strlen(s)); |
| } |
| } |
| |
| for (s = r; ; ) { |
| while (*s && *s != '&' && (*s != '%' || t != '%') && !isspace(*s)) s++; |
| |
| if (! *s) break; |
| else if (t != 'c' && ! strncmp(s, "&#", 2)) { // character reference |
| if (s[2] == 'x') c = strtol(s + 3, &e, 16); // base 16 |
| else c = strtol(s + 2, &e, 10); // base 10 |
| if (! c || *e != ';') { s++; continue; } // not a character ref |
| |
| if (c < 0x80) *(s++) = c; // US-ASCII subset |
| else { // multi-byte UTF-8 sequence |
| for (b = 0, d = c; d; d /= 2) b++; // number of bits in c |
| b = (b - 2) / 5; // number of bytes in payload |
| *(s++) = (0xFF << (7 - b)) | (c >> (6 * b)); // head |
| while (b) *(s++) = 0x80 | ((c >> (6 * --b)) & 0x3F); // payload |
| } |
| |
| memmove(s, strchr(s, ';') + 1, strlen(strchr(s, ';'))); |
| } |
| else if ((*s == '&' && (t == '&' || t == ' ' || t == '*')) || |
| (*s == '%' && t == '%')) { // entity reference |
| for (b = 0; ent[b] && strncmp(s + 1, ent[b], strlen(ent[b])); |
| b += 2); // find entity in entity list |
| |
| if (ent[b++]) { // found a match |
| if ((c = strlen(ent[b])) - 1 > (e = strchr(s, ';')) - s) { |
| l = (d = (s - r)) + c + strlen(e); // new length |
| r = (r == m) ? strcpy(malloc(l), r) : realloc(r, l); |
| e = strchr((s = r + d), ';'); // fix up pointers |
| } |
| |
| memmove(s + c, e + 1, strlen(e)); // shift rest of string |
| strncpy(s, ent[b], c); // copy in replacement text |
| } |
| else s++; // not a known entity |
| } |
| else if ((t == ' ' || t == '*') && isspace(*s)) *(s++) = ' '; |
| else s++; // no decoding needed |
| } |
| |
| if (t == '*') { // normalize spaces for non-cdata attributes |
| for (s = r; *s; s++) { |
| if ((l = strspn(s, " "))) memmove(s, s + l, strlen(s + l) + 1); |
| while (*s && *s != ' ') s++; |
| } |
| if (--s >= r && *s == ' ') *s = '\0'; // trim any trailing space |
| } |
| return r; |
| } |
| |
| // called when parser finds start of new tag |
| void ezxml_open_tag(ezxml_root_t root, char *name, char **attr) |
| { |
| ezxml_t xml = root->cur; |
| |
| if (xml->name) xml = ezxml_add_child(xml, name, strlen(xml->txt)); |
| else xml->name = name; // first open tag |
| |
| xml->attr = attr; |
| root->cur = xml; // update tag insertion point |
| } |
| |
| // called when parser finds character content between open and closing tag |
| void ezxml_char_content(ezxml_root_t root, char *s, size_t len, char t) |
| { |
| ezxml_t xml = root->cur; |
| char *m = s; |
| size_t l; |
| |
| if (! xml || ! xml->name || ! len) return; // sanity check |
| |
| s[len] = '\0'; // null terminate text (calling functions anticipate this) |
| len = strlen(s = ezxml_decode(s, root->ent, t)) + 1; |
| |
| if (! *(xml->txt)) xml->txt = s; // initial character content |
| else { // allocate our own memory and make a copy |
| xml->txt = (xml->flags & EZXML_TXTM) // allocate some space |
| ? realloc(xml->txt, (l = strlen(xml->txt)) + len) |
| : strcpy(malloc((l = strlen(xml->txt)) + len), xml->txt); |
| strcpy(xml->txt + l, s); // add new char content |
| if (s != m) free(s); // free s if it was malloced by ezxml_decode() |
| } |
| |
| if (xml->txt != m) ezxml_set_flag(xml, EZXML_TXTM); |
| } |
| |
| // called when parser finds closing tag |
| ezxml_t ezxml_close_tag(ezxml_root_t root, char *name, char *s) |
| { |
| if (! root->cur || ! root->cur->name || strcmp(name, root->cur->name)) |
| return ezxml_err(root, s, "unexpected closing tag </%s>", name); |
| |
| root->cur = root->cur->parent; |
| return NULL; |
| } |
| |
| // checks for circular entity references, returns non-zero if no circular |
| // references are found, zero otherwise |
| int ezxml_ent_ok(char *name, char *s, char **ent) |
| { |
| int i; |
| |
| for (; ; s++) { |
| while (*s && *s != '&') s++; // find next entity reference |
| if (! *s) return 1; |
| if (! strncmp(s + 1, name, strlen(name))) return 0; // circular ref. |
| for (i = 0; ent[i] && strncmp(ent[i], s + 1, strlen(ent[i])); i += 2); |
| if (ent[i] && ! ezxml_ent_ok(name, ent[i + 1], ent)) return 0; |
| } |
| } |
| |
| // called when the parser finds a processing instruction |
| void ezxml_proc_inst(ezxml_root_t root, char *s, size_t len) |
| { |
| int i = 0, j = 1; |
| char *target = s; |
| |
| s[len] = '\0'; // null terminate instruction |
| if (*(s += strcspn(s, EZXML_WS))) { |
| *s = '\0'; // null terminate target |
| s += strspn(s + 1, EZXML_WS) + 1; // skip whitespace after target |
| } |
| |
| if (! strcmp(target, "xml")) { // <?xml ... ?> |
| if ((s = strstr(s, "standalone")) && ! strncmp(s + strspn(s + 10, |
| EZXML_WS "='\"") + 10, "yes", 3)) root->standalone = 1; |
| return; |
| } |
| |
| if (! root->pi[0]) *(root->pi = malloc(sizeof(char **))) = NULL; //first pi |
| |
| while (root->pi[i] && strcmp(target, root->pi[i][0])) i++; // find target |
| if (! root->pi[i]) { // new target |
| root->pi = realloc(root->pi, sizeof(char **) * (i + 2)); |
| root->pi[i] = malloc(sizeof(char *) * 3); |
| root->pi[i][0] = target; |
| root->pi[i][1] = (char *)(root->pi[i + 1] = NULL); // terminate pi list |
| root->pi[i][2] = strdup(""); // empty document position list |
| } |
| |
| while (root->pi[i][j]) j++; // find end of instruction list for this target |
| root->pi[i] = realloc(root->pi[i], sizeof(char *) * (j + 3)); |
| root->pi[i][j + 2] = realloc(root->pi[i][j + 1], j + 1); |
| strcpy(root->pi[i][j + 2] + j - 1, (root->xml.name) ? ">" : "<"); |
| root->pi[i][j + 1] = NULL; // null terminate pi list for this target |
| root->pi[i][j] = s; // set instruction |
| } |
| |
| // called when the parser finds an internal doctype subset |
| short ezxml_internal_dtd(ezxml_root_t root, char *s, size_t len) |
| { |
| char q, *c, *t, *n = NULL, *v, **ent, **pe; |
| int i, j; |
| |
| pe = memcpy(malloc(sizeof(EZXML_NIL)), EZXML_NIL, sizeof(EZXML_NIL)); |
| |
| for (s[len] = '\0'; s; ) { |
| while (*s && *s != '<' && *s != '%') s++; // find next declaration |
| |
| if (! *s) break; |
| else if (! strncmp(s, "<!ENTITY", 8)) { // parse entity definitions |
| c = s += strspn(s + 8, EZXML_WS) + 8; // skip white space separator |
| n = s + strspn(s, EZXML_WS "%"); // find name |
| *(s = n + strcspn(n, EZXML_WS)) = ';'; // append ; to name |
| |
| v = s + strspn(s + 1, EZXML_WS) + 1; // find value |
| if ((q = *(v++)) != '"' && q != '\'') { // skip externals |
| s = strchr(s, '>'); |
| continue; |
| } |
| |
| for (i = 0, ent = (*c == '%') ? pe : root->ent; ent[i]; i++); |
| ent = realloc(ent, (i + 3) * sizeof(char *)); // space for next ent |
| if (*c == '%') pe = ent; |
| else root->ent = ent; |
| |
| *(++s) = '\0'; // null terminate name |
| if ((s = strchr(v, q))) *(s++) = '\0'; // null terminate value |
| ent[i + 1] = ezxml_decode(v, pe, '%'); // set value |
| ent[i + 2] = NULL; // null terminate entity list |
| if (! ezxml_ent_ok(n, ent[i + 1], ent)) { // circular reference |
| if (ent[i + 1] != v) free(ent[i + 1]); |
| ezxml_err(root, v, "circular entity declaration &%s", n); |
| break; |
| } |
| else ent[i] = n; // set entity name |
| } |
| else if (! strncmp(s, "<!ATTLIST", 9)) { // parse default attributes |
| t = s + strspn(s + 9, EZXML_WS) + 9; // skip whitespace separator |
| if (! *t) { ezxml_err(root, t, "unclosed <!ATTLIST"); break; } |
| if (*(s = t + strcspn(t, EZXML_WS ">")) == '>') continue; |
| else *s = '\0'; // null terminate tag name |
| for (i = 0; root->attr[i] && strcmp(n, root->attr[i][0]); i++); |
| |
| while (*(n = ++s + strspn(s, EZXML_WS)) && *n != '>') { |
| if (*(s = n + strcspn(n, EZXML_WS))) *s = '\0'; // attr name |
| else { ezxml_err(root, t, "malformed <!ATTLIST"); break; } |
| |
| s += strspn(s + 1, EZXML_WS) + 1; // find next token |
| c = (strncmp(s, "CDATA", 5)) ? "*" : " "; // is it cdata? |
| if (! strncmp(s, "NOTATION", 8)) |
| s += strspn(s + 8, EZXML_WS) + 8; |
| s = (*s == '(') ? strchr(s, ')') : s + strcspn(s, EZXML_WS); |
| if (! s) { ezxml_err(root, t, "malformed <!ATTLIST"); break; } |
| |
| s += strspn(s, EZXML_WS ")"); // skip white space separator |
| if (! strncmp(s, "#FIXED", 6)) |
| s += strspn(s + 6, EZXML_WS) + 6; |
| if (*s == '#') { // no default value |
| s += strcspn(s, EZXML_WS ">") - 1; |
| if (*c == ' ') continue; // cdata is default, nothing to do |
| v = NULL; |
| } |
| else if ((*s == '"' || *s == '\'') && // default value |
| (s = strchr(v = s + 1, *s))) *s = '\0'; |
| else { ezxml_err(root, t, "malformed <!ATTLIST"); break; } |
| |
| if (! root->attr[i]) { // new tag name |
| root->attr = (! i) ? malloc(2 * sizeof(char **)) |
| : realloc(root->attr, |
| (i + 2) * sizeof(char **)); |
| root->attr[i] = malloc(2 * sizeof(char *)); |
| root->attr[i][0] = t; // set tag name |
| root->attr[i][1] = (char *)(root->attr[i + 1] = NULL); |
| } |
| |
| for (j = 1; root->attr[i][j]; j += 3); // find end of list |
| root->attr[i] = realloc(root->attr[i], |
| (j + 4) * sizeof(char *)); |
| |
| root->attr[i][j + 3] = NULL; // null terminate list |
| root->attr[i][j + 2] = c; // is it cdata? |
| root->attr[i][j + 1] = (v) ? ezxml_decode(v, root->ent, *c) |
| : NULL; |
| root->attr[i][j] = n; // attribute name |
| } |
| } |
| else if (! strncmp(s, "<!--", 4)) s = strstr(s + 4, "-->"); // comments |
| else if (! strncmp(s, "<?", 2)) { // processing instructions |
| if ((s = strstr(c = s + 2, "?>"))) |
| ezxml_proc_inst(root, c, s++ - c); |
| } |
| else if (*s == '<') s = strchr(s, '>'); // skip other declarations |
| else if (*(s++) == '%' && ! root->standalone) break; |
| } |
| |
| free(pe); |
| return ! *root->err; |
| } |
| |
| // Converts a UTF-16 string to UTF-8. Returns a new string that must be freed |
| // or NULL if no conversion was needed. |
| char *ezxml_str2utf8(char **s, size_t *len) |
| { |
| char *u; |
| size_t l = 0, sl, max = *len; |
| long c, d; |
| int b, be = (**s == '\xFE') ? 1 : (**s == '\xFF') ? 0 : -1; |
| |
| if (be == -1) return NULL; // not UTF-16 |
| |
| u = malloc(max); |
| for (sl = 2; sl < *len - 1; sl += 2) { |
| c = (be) ? (((*s)[sl] & 0xFF) << 8) | ((*s)[sl + 1] & 0xFF) //UTF-16BE |
| : (((*s)[sl + 1] & 0xFF) << 8) | ((*s)[sl] & 0xFF); //UTF-16LE |
| if (c >= 0xD800 && c <= 0xDFFF && (sl += 2) < *len - 1) { // high-half |
| d = (be) ? (((*s)[sl] & 0xFF) << 8) | ((*s)[sl + 1] & 0xFF) |
| : (((*s)[sl + 1] & 0xFF) << 8) | ((*s)[sl] & 0xFF); |
| c = (((c & 0x3FF) << 10) | (d & 0x3FF)) + 0x10000; |
| } |
| |
| while (l + 6 > max) u = realloc(u, max += EZXML_BUFSIZE); |
| if (c < 0x80) u[l++] = c; // US-ASCII subset |
| else { // multi-byte UTF-8 sequence |
| for (b = 0, d = c; d; d /= 2) b++; // bits in c |
| b = (b - 2) / 5; // bytes in payload |
| u[l++] = (0xFF << (7 - b)) | (c >> (6 * b)); // head |
| while (b) u[l++] = 0x80 | ((c >> (6 * --b)) & 0x3F); // payload |
| } |
| } |
| return *s = realloc(u, *len = l); |
| } |
| |
| // frees a tag attribute list |
| void ezxml_free_attr(char **attr) { |
| int i = 0; |
| char *m; |
| |
| if (! attr || attr == EZXML_NIL) return; // nothing to free |
| while (attr[i]) i += 2; // find end of attribute list |
| m = attr[i + 1]; // list of which names and values are malloced |
| for (i = 0; m[i]; i++) { |
| if (m[i] & EZXML_NAMEM) free(attr[i * 2]); |
| if (m[i] & EZXML_TXTM) free(attr[(i * 2) + 1]); |
| } |
| free(m); |
| free(attr); |
| } |
| |
| // parse the given xml string and return an ezxml structure |
| ezxml_t ezxml_parse_str(char *s, size_t len) |
| { |
| ezxml_root_t root = (ezxml_root_t)ezxml_new(NULL); |
| char q, e, *d, **attr, **a = NULL; // initialize a to avoid compile warning |
| int l, i, j; |
| |
| root->m = s; |
| if (! len) return ezxml_err(root, NULL, "root tag missing"); |
| root->u = ezxml_str2utf8(&s, &len); // convert utf-16 to utf-8 |
| root->e = (root->s = s) + len; // record start and end of work area |
| |
| e = s[len - 1]; // save end char |
| s[len - 1] = '\0'; // turn end char into null terminator |
| |
| while (*s && *s != '<') s++; // find first tag |
| if (! *s) return ezxml_err(root, s, "root tag missing"); |
| |
| for (; ; ) { |
| attr = (char **)EZXML_NIL; |
| d = ++s; |
| |
| if (isalpha(*s) || *s == '_' || *s == ':' || *s < '\0') { // new tag |
| if (! root->cur) |
| return ezxml_err(root, d, "markup outside of root element"); |
| |
| s += strcspn(s, EZXML_WS "/>"); |
| while (isspace(*s)) *(s++) = '\0'; // null terminate tag name |
| |
| if (*s && *s != '/' && *s != '>') // find tag in default attr list |
| for (i = 0; (a = root->attr[i]) && strcmp(a[0], d); i++); |
| |
| for (l = 0; *s && *s != '/' && *s != '>'; l += 2) { // new attrib |
| attr = (l) ? realloc(attr, (l + 4) * sizeof(char *)) |
| : malloc(4 * sizeof(char *)); // allocate space |
| attr[l + 3] = (l) ? realloc(attr[l + 1], (l / 2) + 2) |
| : malloc(2); // mem for list of maloced vals |
| strcpy(attr[l + 3] + (l / 2), " "); // value is not malloced |
| attr[l + 2] = NULL; // null terminate list |
| attr[l + 1] = ""; // temporary attribute value |
| attr[l] = s; // set attribute name |
| |
| s += strcspn(s, EZXML_WS "=/>"); |
| if (*s == '=' || isspace(*s)) { |
| *(s++) = '\0'; // null terminate tag attribute name |
| q = *(s += strspn(s, EZXML_WS "=")); |
| if (q == '"' || q == '\'') { // attribute value |
| attr[l + 1] = ++s; |
| while (*s && *s != q) s++; |
| if (*s) *(s++) = '\0'; // null terminate attribute val |
| else { |
| ezxml_free_attr(attr); |
| return ezxml_err(root, d, "missing %c", q); |
| } |
| |
| for (j = 1; a && a[j] && strcmp(a[j], attr[l]); j +=3); |
| attr[l + 1] = ezxml_decode(attr[l + 1], root->ent, (a |
| && a[j]) ? *a[j + 2] : ' '); |
| if (attr[l + 1] < d || attr[l + 1] > s) |
| attr[l + 3][l / 2] = EZXML_TXTM; // value malloced |
| } |
| } |
| while (isspace(*s)) s++; |
| } |
| |
| if (*s == '/') { // self closing tag |
| *(s++) = '\0'; |
| if ((*s && *s != '>') || (! *s && e != '>')) { |
| if (l) ezxml_free_attr(attr); |
| return ezxml_err(root, d, "missing >"); |
| } |
| ezxml_open_tag(root, d, attr); |
| ezxml_close_tag(root, d, s); |
| } |
| else if ((q = *s) == '>' || (! *s && e == '>')) { // open tag |
| *s = '\0'; // temporarily null terminate tag name |
| ezxml_open_tag(root, d, attr); |
| *s = q; |
| } |
| else { |
| if (l) ezxml_free_attr(attr); |
| return ezxml_err(root, d, "missing >"); |
| } |
| } |
| else if (*s == '/') { // close tag |
| s += strcspn(d = s + 1, EZXML_WS ">") + 1; |
| if (! (q = *s) && e != '>') return ezxml_err(root, d, "missing >"); |
| *s = '\0'; // temporarily null terminate tag name |
| if (ezxml_close_tag(root, d, s)) return &root->xml; |
| if (isspace(*s = q)) s += strspn(s, EZXML_WS); |
| } |
| else if (! strncmp(s, "!--", 3)) { // xml comment |
| if (! (s = strstr(s + 3, "--")) || (*(s += 2) != '>' && *s) || |
| (! *s && e != '>')) return ezxml_err(root, d, "unclosed <!--"); |
| } |
| else if (! strncmp(s, "![CDATA[", 8)) { // cdata |
| if ((s = strstr(s, "]]>"))) |
| ezxml_char_content(root, d + 8, (s += 2) - d - 10, 'c'); |
| else return ezxml_err(root, d, "unclosed <![CDATA["); |
| } |
| else if (! strncmp(s, "!DOCTYPE", 8)) { // dtd |
| for (l = 0; *s && ((! l && *s != '>') || (l && (*s != ']' || |
| *(s + strspn(s + 1, EZXML_WS) + 1) != '>'))); |
| l = (*s == '[') ? 1 : l) s += strcspn(s + 1, "[]>") + 1; |
| if (! *s && e != '>') |
| return ezxml_err(root, d, "unclosed <!DOCTYPE"); |
| d = (l) ? strchr(d, '[') + 1 : d; |
| if (l && ! ezxml_internal_dtd(root, d, s++ - d)) return &root->xml; |
| } |
| else if (*s == '?') { // <?...?> processing instructions |
| do { s = strchr(s, '?'); } while (s && *(++s) && *s != '>'); |
| if (! s || (! *s && e != '>')) |
| return ezxml_err(root, d, "unclosed <?"); |
| else ezxml_proc_inst(root, d + 1, s - d - 2); |
| } |
| else return ezxml_err(root, d, "unexpected <"); |
| |
| if (! s || ! *s) break; |
| *s = '\0'; |
| d = ++s; |
| if (*s && *s != '<') { // tag character content |
| while (*s && *s != '<') s++; |
| if (*s) ezxml_char_content(root, d, s - d, '&'); |
| else break; |
| } |
| else if (! *s) break; |
| } |
| |
| if (! root->cur) return &root->xml; |
| else if (! root->cur->name) return ezxml_err(root, d, "root tag missing"); |
| else return ezxml_err(root, d, "unclosed tag <%s>", root->cur->name); |
| } |
| |
| // Wrapper for ezxml_parse_str() that accepts a file stream. Reads the entire |
| // stream into memory and then parses it. For xml files, use ezxml_parse_file() |
| // or ezxml_parse_fd() |
| #if 0 |
| ezxml_t ezxml_parse_fp(FILE *fp) |
| { |
| ezxml_root_t root; |
| size_t l, len = 0; |
| char *s; |
| |
| if (! (s = malloc(EZXML_BUFSIZE))) return NULL; |
| do { |
| len += (l = fread((s + len), 1, EZXML_BUFSIZE, fp)); |
| if (l == EZXML_BUFSIZE) s = realloc(s, len + EZXML_BUFSIZE); |
| } while (s && l == EZXML_BUFSIZE); |
| |
| if (! s) return NULL; |
| root = (ezxml_root_t)ezxml_parse_str(s, len); |
| root->len = -1; // so we know to free s in ezxml_free() |
| return &root->xml; |
| } |
| #endif |
| |
| // A wrapper for ezxml_parse_str() that accepts a file descriptor. First |
| // attempts to mem map the file. Failing that, reads the file into memory. |
| // Returns NULL on failure. |
| ezxml_t ezxml_parse_fd(FILE *fd ) |
| { |
| ezxml_root_t root; |
| struct stat st; |
| size_t l; |
| void *m; |
| int err; |
| mm_segment_t fs; |
| loff_t pos; |
| |
| if (!fd || !fd->f_op || !fd->f_op->read) |
| { |
| printk("WARNING: File (read) object is a null pointer!!!\n"); |
| return NULL; |
| } |
| |
| err = vfs_getattr(fd->f_vfsmnt,fd->f_dentry,&st); |
| if(err) |
| { |
| printk("can't get state of file err=%d\n",err); |
| return NULL; |
| } |
| |
| m = malloc(st.size); |
| fs = get_fs(); |
| set_fs(KERNEL_DS); |
| pos = 0; |
| l = vfs_read(fd, m, st.size, &pos); |
| set_fs(fs); |
| //l = read(fd, m , st.size); |
| |
| root = (ezxml_root_t)ezxml_parse_str(m, l); |
| |
| root->len = -1; // so we know to free s in ezxml_free() |
| return &root->xml; |
| } |
| |
| // a wrapper for ezxml_parse_fd that accepts a file name |
| ezxml_t ezxml_parse_file(char *name) |
| { |
| FILE *fd = filp_open(name, O_RDONLY, 0); |
| ezxml_t xml; |
| |
| if (IS_ERR(fd)) |
| return NULL; |
| |
| xml = ezxml_parse_fd(fd); |
| |
| if (fd >= 0) filp_close(fd, 0); |
| return xml; |
| } |
| |
| // Encodes ampersand sequences appending the results to *dst, reallocating *dst |
| // if length excedes max. a is non-zero for attribute encoding. Returns *dst |
| char *ezxml_ampencode(const char *s, size_t len, char **dst, size_t *dlen, |
| size_t *max, short a) |
| { |
| const char *e; |
| |
| for (e = s + len; s != e; s++) { |
| while (*dlen + 10 > *max) *dst = realloc(*dst, *max += EZXML_BUFSIZE); |
| |
| switch (*s) { |
| case '\0': return *dst; |
| case '&': *dlen += sprintf(*dst + *dlen, "&"); break; |
| case '<': *dlen += sprintf(*dst + *dlen, "<"); break; |
| case '>': *dlen += sprintf(*dst + *dlen, ">"); break; |
| case '"': *dlen += sprintf(*dst + *dlen, (a) ? """ : "\""); break; |
| case '\n': *dlen += sprintf(*dst + *dlen, (a) ? "
" : "\n"); break; |
| case '\t': *dlen += sprintf(*dst + *dlen, (a) ? "	" : "\t"); break; |
| case '\r': *dlen += sprintf(*dst + *dlen, "
"); break; |
| default: (*dst)[(*dlen)++] = *s; |
| } |
| } |
| return *dst; |
| } |
| |
| // Recursively converts each tag to xml appending it to *s. Reallocates *s if |
| // its length excedes max. start is the location of the previous tag in the |
| // parent tag's character content. Returns *s. |
| char *ezxml_toxml_r(ezxml_t xml, char **s, size_t *len, size_t *max, |
| size_t start, char ***attr) |
| { |
| int i, j; |
| char *txt = (xml->parent) ? xml->parent->txt : ""; |
| size_t off = 0; |
| |
| // parent character content up to this tag |
| *s = ezxml_ampencode(txt + start, xml->off - start, s, len, max, 0); |
| |
| while (*len + strlen(xml->name) + 4 > *max) // reallocate s |
| *s = realloc(*s, *max += EZXML_BUFSIZE); |
| |
| *len += sprintf(*s + *len, "<%s", xml->name); // open tag |
| for (i = 0; xml->attr[i]; i += 2) { // tag attributes |
| if (ezxml_attr(xml, xml->attr[i]) != xml->attr[i + 1]) continue; |
| while (*len + strlen(xml->attr[i]) + 7 > *max) // reallocate s |
| *s = realloc(*s, *max += EZXML_BUFSIZE); |
| |
| *len += sprintf(*s + *len, " %s=\"", xml->attr[i]); |
| ezxml_ampencode(xml->attr[i + 1], -1, s, len, max, 1); |
| *len += sprintf(*s + *len, "\""); |
| } |
| |
| for (i = 0; attr[i] && strcmp(attr[i][0], xml->name); i++); |
| for (j = 1; attr[i] && attr[i][j]; j += 3) { // default attributes |
| if (! attr[i][j + 1] || ezxml_attr(xml, attr[i][j]) != attr[i][j + 1]) |
| continue; // skip duplicates and non-values |
| while (*len + strlen(attr[i][j]) + 7 > *max) // reallocate s |
| *s = realloc(*s, *max += EZXML_BUFSIZE); |
| |
| *len += sprintf(*s + *len, " %s=\"", attr[i][j]); |
| ezxml_ampencode(attr[i][j + 1], -1, s, len, max, 1); |
| *len += sprintf(*s + *len, "\""); |
| } |
| *len += sprintf(*s + *len, ">"); |
| |
| *s = (xml->child) ? ezxml_toxml_r(xml->child, s, len, max, 0, attr) //child |
| : ezxml_ampencode(xml->txt, -1, s, len, max, 0); //data |
| |
| while (*len + strlen(xml->name) + 4 > *max) // reallocate s |
| *s = realloc(*s, *max += EZXML_BUFSIZE); |
| |
| *len += sprintf(*s + *len, "</%s>", xml->name); // close tag |
| |
| while (txt[off] && off < xml->off) off++; // make sure off is within bounds |
| return (xml->ordered) ? ezxml_toxml_r(xml->ordered, s, len, max, off, attr) |
| : ezxml_ampencode(txt + off, -1, s, len, max, 0); |
| } |
| |
| // Converts an ezxml structure back to xml. Returns a string of xml data that |
| // must be freed. |
| char *ezxml_toxml(ezxml_t xml) |
| { |
| ezxml_t p = (xml) ? xml->parent : NULL, o = (xml) ? xml->ordered : NULL; |
| ezxml_root_t root = (ezxml_root_t)xml; |
| size_t len = 0, max = EZXML_BUFSIZE; |
| char *s = strcpy(malloc(max), ""), *t, *n; |
| int i, j, k; |
| |
| if (! xml || ! xml->name) return realloc(s, len + 1); |
| while (root->xml.parent) root = (ezxml_root_t)root->xml.parent; // root tag |
| |
| for (i = 0; ! p && root->pi[i]; i++) { // pre-root processing instructions |
| for (k = 2; root->pi[i][k - 1]; k++); |
| for (j = 1; (n = root->pi[i][j]); j++) { |
| if (root->pi[i][k][j - 1] == '>') continue; // not pre-root |
| while (len + strlen(t = root->pi[i][0]) + strlen(n) + 7 > max) |
| s = realloc(s, max += EZXML_BUFSIZE); |
| len += sprintf(s + len, "<?%s%s%s?>\n", t, *n ? " " : "", n); |
| } |
| } |
| |
| xml->parent = xml->ordered = NULL; |
| s = ezxml_toxml_r(xml, &s, &len, &max, 0, root->attr); |
| xml->parent = p; |
| xml->ordered = o; |
| |
| for (i = 0; ! p && root->pi[i]; i++) { // post-root processing instructions |
| for (k = 2; root->pi[i][k - 1]; k++); |
| for (j = 1; (n = root->pi[i][j]); j++) { |
| if (root->pi[i][k][j - 1] == '<') continue; // not post-root |
| while (len + strlen(t = root->pi[i][0]) + strlen(n) + 7 > max) |
| s = realloc(s, max += EZXML_BUFSIZE); |
| len += sprintf(s + len, "\n<?%s%s%s?>", t, *n ? " " : "", n); |
| } |
| } |
| return realloc(s, len + 1); |
| } |
| |
| // free the memory allocated for the ezxml structure |
| void ezxml_free(ezxml_t xml) |
| { |
| ezxml_root_t root = (ezxml_root_t)xml; |
| int i, j; |
| char **a, *s; |
| |
| if (! xml) return; |
| ezxml_free(xml->child); |
| ezxml_free(xml->ordered); |
| |
| if (! xml->parent) { // free root tag allocations |
| for (i = 10; root->ent[i]; i += 2) // 0 - 9 are default entites (<>&"') |
| if ((s = root->ent[i + 1]) < root->s || s > root->e) free(s); |
| free(root->ent); // free list of general entities |
| |
| for (i = 0; (a = root->attr[i]); i++) { |
| for (j = 1; a[j++]; j += 2) // free malloced attribute values |
| if (a[j] && (a[j] < root->s || a[j] > root->e)) free(a[j]); |
| free(a); |
| } |
| if (root->attr[0]) free(root->attr); // free default attribute list |
| |
| for (i = 0; root->pi[i]; i++) { |
| for (j = 1; root->pi[i][j]; j++); |
| free(root->pi[i][j + 1]); |
| free(root->pi[i]); |
| } |
| if (root->pi[0]) free(root->pi); // free processing instructions |
| |
| if (root->len == -1) free(root->m); // malloced xml data |
| if (root->u) free(root->u); // utf8 conversion |
| } |
| |
| ezxml_free_attr(xml->attr); // tag attributes |
| if ((xml->flags & EZXML_TXTM)) free(xml->txt); // character content |
| if ((xml->flags & EZXML_NAMEM)) free(xml->name); // tag name |
| free(xml); |
| } |
| |
| // return parser error message or empty string if none |
| const char *ezxml_error(ezxml_t xml) |
| { |
| while (xml && xml->parent) xml = xml->parent; // find root tag |
| return (xml) ? ((ezxml_root_t)xml)->err : ""; |
| } |
| |
| // returns a new empty ezxml structure with the given root tag name |
| ezxml_t ezxml_new(const char *name) |
| { |
| static char *ent[] = { "lt;", "<", "gt;", ">", "quot;", """, |
| "apos;", "'", "amp;", "&", NULL }; |
| ezxml_root_t root = (ezxml_root_t)memset(malloc(sizeof(struct ezxml_root)), |
| '\0', sizeof(struct ezxml_root)); |
| root->xml.name = (char *)name; |
| root->cur = &root->xml; |
| strcpy(root->err, root->xml.txt = ""); |
| root->ent = memcpy(malloc(sizeof(ent)), ent, sizeof(ent)); |
| root->attr = root->pi = (char ***)(root->xml.attr = EZXML_NIL); |
| return &root->xml; |
| } |
| |
| // inserts an existing tag into an ezxml structure |
| ezxml_t ezxml_insert(ezxml_t xml, ezxml_t dest, size_t off) |
| { |
| ezxml_t cur, prev, head; |
| |
| xml->next = xml->sibling = xml->ordered = NULL; |
| xml->off = off; |
| xml->parent = dest; |
| |
| if ((head = dest->child)) { // already have sub tags |
| if (head->off <= off) { // not first subtag |
| for (cur = head; cur->ordered && cur->ordered->off <= off; |
| cur = cur->ordered); |
| xml->ordered = cur->ordered; |
| cur->ordered = xml; |
| } |
| else { // first subtag |
| xml->ordered = head; |
| dest->child = xml; |
| } |
| |
| for (cur = head, prev = NULL; cur && strcmp(cur->name, xml->name); |
| prev = cur, cur = cur->sibling); // find tag type |
| if (cur && cur->off <= off) { // not first of type |
| while (cur->next && cur->next->off <= off) cur = cur->next; |
| xml->next = cur->next; |
| cur->next = xml; |
| } |
| else { // first tag of this type |
| if (prev && cur) prev->sibling = cur->sibling; // remove old first |
| xml->next = cur; // old first tag is now next |
| for (cur = head, prev = NULL; cur && cur->off <= off; |
| prev = cur, cur = cur->sibling); // new sibling insert point |
| xml->sibling = cur; |
| if (prev) prev->sibling = xml; |
| } |
| } |
| else dest->child = xml; // only sub tag |
| |
| return xml; |
| } |
| |
| // Adds a child tag. off is the offset of the child tag relative to the start |
| // of the parent tag's character content. Returns the child tag. |
| ezxml_t ezxml_add_child(ezxml_t xml, const char *name, size_t off) |
| { |
| ezxml_t child; |
| |
| if (! xml) return NULL; |
| child = (ezxml_t)memset(malloc(sizeof(struct ezxml)), '\0', |
| sizeof(struct ezxml)); |
| child->name = (char *)name; |
| child->attr = EZXML_NIL; |
| child->txt = ""; |
| |
| return ezxml_insert(child, xml, off); |
| } |
| |
| // sets the character content for the given tag and returns the tag |
| ezxml_t ezxml_set_txt(ezxml_t xml, const char *txt) |
| { |
| if (! xml) return NULL; |
| if (xml->flags & EZXML_TXTM) free(xml->txt); // existing txt was malloced |
| xml->flags &= ~EZXML_TXTM; |
| xml->txt = (char *)txt; |
| return xml; |
| } |
| |
| // Sets the given tag attribute or adds a new attribute if not found. A value |
| // of NULL will remove the specified attribute. Returns the tag given. |
| ezxml_t ezxml_set_attr(ezxml_t xml, const char *name, const char *value) |
| { |
| int l = 0, c; |
| |
| if (! xml) return NULL; |
| while (xml->attr[l] && strcmp(xml->attr[l], name)) l += 2; |
| if (! xml->attr[l]) { // not found, add as new attribute |
| if (! value) return xml; // nothing to do |
| if (xml->attr == EZXML_NIL) { // first attribute |
| xml->attr = malloc(4 * sizeof(char *)); |
| xml->attr[1] = strdup(""); // empty list of malloced names/vals |
| } |
| else xml->attr = realloc(xml->attr, (l + 4) * sizeof(char *)); |
| |
| xml->attr[l] = (char *)name; // set attribute name |
| xml->attr[l + 2] = NULL; // null terminate attribute list |
| xml->attr[l + 3] = realloc(xml->attr[l + 1], |
| (c = strlen(xml->attr[l + 1])) + 2); |
| strcpy(xml->attr[l + 3] + c, " "); // set name/value as not malloced |
| if (xml->flags & EZXML_DUP) xml->attr[l + 3][c] = EZXML_NAMEM; |
| } |
| else if (xml->flags & EZXML_DUP) free((char *)name); // name was strduped |
| |
| for (c = l; xml->attr[c]; c += 2); // find end of attribute list |
| if (xml->attr[c + 1][l / 2] & EZXML_TXTM) free(xml->attr[l + 1]); //old val |
| if (xml->flags & EZXML_DUP) xml->attr[c + 1][l / 2] |= EZXML_TXTM; |
| else xml->attr[c + 1][l / 2] &= ~EZXML_TXTM; |
| |
| if (value) xml->attr[l + 1] = (char *)value; // set attribute value |
| else { // remove attribute |
| if (xml->attr[c + 1][l / 2] & EZXML_NAMEM) free(xml->attr[l]); |
| memmove(xml->attr + l, xml->attr + l + 2, (c - l + 2) * sizeof(char*)); |
| xml->attr = realloc(xml->attr, (c + 2) * sizeof(char *)); |
| memmove(xml->attr[c + 1] + (l / 2), xml->attr[c + 1] + (l / 2) + 1, |
| (c / 2) - (l / 2)); // fix list of which name/vals are malloced |
| } |
| xml->flags &= ~EZXML_DUP; // clear strdup() flag |
| return xml; |
| } |
| |
| // sets a flag for the given tag and returns the tag |
| ezxml_t ezxml_set_flag(ezxml_t xml, short flag) |
| { |
| if (xml) xml->flags |= flag; |
| return xml; |
| } |
| |
| // removes a tag along with its subtags without freeing its memory |
| ezxml_t ezxml_cut(ezxml_t xml) |
| { |
| ezxml_t cur; |
| |
| if (! xml) return NULL; // nothing to do |
| if (xml->next) xml->next->sibling = xml->sibling; // patch sibling list |
| |
| if (xml->parent) { // not root tag |
| cur = xml->parent->child; // find head of subtag list |
| if (cur == xml) xml->parent->child = xml->ordered; // first subtag |
| else { // not first subtag |
| while (cur->ordered != xml) cur = cur->ordered; |
| cur->ordered = cur->ordered->ordered; // patch ordered list |
| |
| cur = xml->parent->child; // go back to head of subtag list |
| if (strcmp(cur->name, xml->name)) { // not in first sibling list |
| while (strcmp(cur->sibling->name, xml->name)) |
| cur = cur->sibling; |
| if (cur->sibling == xml) { // first of a sibling list |
| cur->sibling = (xml->next) ? xml->next |
| : cur->sibling->sibling; |
| } |
| else cur = cur->sibling; // not first of a sibling list |
| } |
| |
| while (cur->next && cur->next != xml) cur = cur->next; |
| if (cur->next) cur->next = cur->next->next; // patch next list |
| } |
| } |
| xml->ordered = xml->sibling = xml->next = NULL; |
| return xml; |
| } |
| |
| void* ezxml_realloc(void *p, size_t new_size) |
| { |
| void *ret; |
| size_t ks = 0; |
| |
| if (!new_size) |
| return NULL; |
| |
| if (p) |
| ks = ksize(p); |
| |
| if (ks < new_size) { |
| ret = malloc(new_size); |
| if (ret && p) |
| { |
| memcpy(ret, p, new_size); |
| free(p); |
| } |
| } |
| else |
| ret = p; |
| |
| return ret; |
| } |
| |
| #if 0 /* Example */ |
| E_ErrorCodes startupCFGModuleInit(void) |
| { |
| ezxml_t xml; |
| ezxml_t xmlHead; |
| ezxml_t xmlElement; |
| ezxml_t xmlElement1; |
| ezxml_t xmlElement_childLoop; |
| |
| |
| |
| xmlHead = ezxml_parse_file(); |
| xml = xmlHead; |
| |
| |
| /*simple get child value example*/ |
| xmlElement = ezxml_child(xml, "board_type"); |
| if (xmlElement) { |
| printf("%s tag value = %s\n",xmlElement->name, xmlElement->txt); |
| } |
| else{ |
| printf("board_type tag was not found\n"); |
| xml = xmlHead; |
| } |
| |
| /*get consecutive child value example*/ |
| xmlElement = ezxml_child(xml, "IP_host_supported"); |
| if (xmlElement) { |
| printf("%s tag value = %s\n",xmlElement->name, xmlElement->txt); |
| } |
| else{ |
| xml = xmlHead; |
| printf("IP_host_supported tag was not found\n"); |
| |
| } |
| |
| xml = xmlHead; |
| /*get consecutive child attribute example, return the first occurance of this tag*/ |
| xmlElement = ezxml_get(xml,"port_init",0,"pots_ports",-1 ); |
| if (xmlElement) { |
| printf("%s tag id attribute = %s\n",xmlElement->name,xmlElement->txt); |
| } |
| else{ |
| xml = xmlHead; |
| printf("No pots_ports tag was found\n"); |
| } |
| |
| |
| /*get size attribute of the first queue from the second TCONT*/ |
| xmlElement = ezxml_get(xml,"port_init",0,"TCONT_parameters",0, "TCONT",1,"queue_map",0,"queue",-1 ); |
| if (xmlElement) { |
| printf("Second TCONCT, first %s tag size attribute = %s\n",xmlElement->name, ezxml_attr(xmlElement, "size")); |
| } |
| else{ |
| xml = xmlHead; |
| printf("The first queue from the second TCONT tag was not found\n"); |
| } |
| |
| /*point the the next occurance of this tag since xml propoagte internally*/ |
| xmlElement = xmlElement->next; |
| if (xmlElement) { |
| printf("Second TCONCT, second %s tag weight attribute = %s\n",xmlElement->name, ezxml_attr(xmlElement, "weight")); |
| } |
| else{ |
| xml = xmlHead; |
| printf("Next queue tag was not found\n"); |
| } |
| |
| /*get speed attribute of the first ethernet */ |
| xml = xmlHead; |
| xmlElement = ezxml_get(xml,"port_init",0,"Ethernet_parameters",0,"Ethernet",-1 ); |
| if (xmlElement) { |
| printf("First ethernet %s tag speed attribute = %s\n",xmlElement->name, ezxml_attr(xmlElement, "speed")); |
| } |
| else{ |
| xml = xmlHead; |
| printf("The first ethernet tag was not found\n"); |
| } |
| /*loop on all ethernets and get attributes*/ |
| /*first set pointer to top of the XML tree*/ |
| xml = xmlHead; |
| /*second set pointer to top of the relative hierarcy*/ |
| xml = ezxml_get(xml,"port_init",0,"Ethernet_parameters",-1 ); |
| for (xmlElement = ezxml_child(xml, "Ethernet"); xmlElement; xmlElement = xmlElement->next) { |
| printf("%s tag switch_port attribute = %s\n",xmlElement->name, ezxml_attr(xmlElement, "switch_port")); |
| } |
| |
| |
| /*loop on all TCONT & queues and get attributes*/ |
| /*first set pointer to top of the XML tree*/ |
| xml = xmlHead; |
| /*second set pointer to top of the relative hierarcy*/ |
| xml = ezxml_get(xml,"port_init",0,"TCONT_parameters",-1 ); |
| for (xmlElement = ezxml_child(xml, "TCONT"); xmlElement; xmlElement = xmlElement->next) { |
| printf("%s tag id attribute = %s\n",xmlElement->name, ezxml_attr(xmlElement, "id")); |
| xmlElement1 = ezxml_child(xmlElement, "scheduler_method"); |
| printf("%s tag value = %s\n",xmlElement1->name, xmlElement1->txt); |
| xmlElement1 = ezxml_child(xmlElement, "queue_map"); |
| for (xmlElement_childLoop = ezxml_child(xmlElement1, "queue"); xmlElement_childLoop; xmlElement_childLoop = xmlElement_childLoop->next){ |
| printf("%s tag weight attribute = %s\n",xmlElement_childLoop->name, ezxml_attr(xmlElement_childLoop, "weight")); |
| } |
| |
| } |
| ezxml_free(xmlHead); |
| return (IAMBA_OK); |
| } |
| #endif |