xmldoc.c File Reference

XML Documentation API. More...

#include "asterisk.h"
#include "asterisk/_private.h"
#include "asterisk/paths.h"
#include "asterisk/linkedlists.h"
#include "asterisk/strings.h"
#include "asterisk/config.h"
#include "asterisk/term.h"
#include "asterisk/xmldoc.h"

Include dependency graph for xmldoc.c:

Go to the source code of this file.

Data Structures
struct	documentation_tree
	XML documentation tree. More...
struct	strcolorized_tags
struct	strspecial_tags
struct	strsyntaxtype
	Mapping between type of node and type of syntax to generate. More...
struct	xmldoc_tree
	Container of documentation trees. More...
Defines
#define	GOTONEXT(__rev, __a)   (__rev ? ast_xml_node_get_prev(__a) : ast_xml_node_get_next(__a))
#define	ISLAST(__rev, __a)   (__rev == 1 ? (ast_xml_node_get_prev(__a) ? 0 : 1) : (ast_xml_node_get_next(__a) ? 0 : 1))
#define	MP(__a)   ((multiple ? __a : ""))
Enumerations
enum	syntaxtype { FUNCTION_SYNTAX, COMMAND_SYNTAX }
	Types of syntax that we are able to generate. More...
Functions
char *	ast_xmldoc_build_arguments (const char *type, const char *name)
	Generate the [arguments] tag based on type of node ('application', 'function' or 'agi') and name.
char *	ast_xmldoc_build_description (const char *type, const char *name)
	Generate description documentation from XML.
char *	ast_xmldoc_build_seealso (const char *type, const char *name)
	Parse the <see-also> node content.
char *	ast_xmldoc_build_synopsis (const char *type, const char *name)
	Generate synopsis documentation from XML.
char *	ast_xmldoc_build_syntax (const char *type, const char *name)
	Get the syntax for a specified application or function.
int	ast_xmldoc_load_documentation (void)
	Load XML documentation. Provided by xmldoc.c.
char *	ast_xmldoc_printable (const char *bwinput, int withcolors)
	Colorize and put delimiters (instead of tags) to the xmldoc output.
static char *	xmldoc_build_field (const char *type, const char *name, const char *var, int raw)
	Get the content of a field (synopsis, description, etc) from an asterisk document tree.
static int	xmldoc_foundspace_backward (const char *text, int currentpos, int maxdiff)
static struct ast_str *	xmldoc_get_formatted (struct ast_xml_node *node, int raw_output, int raw_wrap)
static struct ast_xml_node *	xmldoc_get_node (const char *type, const char *name, const char *language)
static char *	xmldoc_get_syntax_cmd (struct ast_xml_node *fixnode, const char *name, int printname)
static char *	xmldoc_get_syntax_fun (struct ast_xml_node *rootnode, const char *rootname, const char *childname, int printparenthesis, int printrootname)
static enum syntaxtype	xmldoc_get_syntax_type (const char *type)
static int	xmldoc_has_inside (struct ast_xml_node *fixnode, const char *what)
static int	xmldoc_has_nodes (struct ast_xml_node *fixnode)
static int	xmldoc_has_specialtags (struct ast_xml_node *fixnode)
static int	xmldoc_parse_argument (struct ast_xml_node *fixnode, int insideparameter, const char *paramtabs, const char *tabs, struct ast_str **buffer)
static char *	xmldoc_parse_cmd_enumlist (struct ast_xml_node *fixnode)
static int	xmldoc_parse_enum (struct ast_xml_node *fixnode, const char *tabs, struct ast_str **buffer)
static int	xmldoc_parse_enumlist (struct ast_xml_node *fixnode, const char *tabs, struct ast_str **buffer)
static int	xmldoc_parse_option (struct ast_xml_node *fixnode, const char *tabs, struct ast_str **buffer)
static void	xmldoc_parse_optionlist (struct ast_xml_node *fixnode, const char *tabs, struct ast_str **buffer)
static int	xmldoc_parse_para (struct ast_xml_node *node, const char *tabs, const char *posttabs, struct ast_str **buffer)
static void	xmldoc_parse_parameter (struct ast_xml_node *fixnode, const char *tabs, struct ast_str **buffer)
static int	xmldoc_parse_specialtags (struct ast_xml_node *fixnode, const char *tabs, const char *posttabs, struct ast_str **buffer)
static int	xmldoc_parse_variable (struct ast_xml_node *node, const char *tabs, struct ast_str **buffer)
static int	xmldoc_parse_variablelist (struct ast_xml_node *node, const char *tabs, struct ast_str **buffer)
static int	xmldoc_postbrlen (const char *postbr)
static void	xmldoc_reverse_helper (int reverse, int *len, char **syntax, const char *fmt,...)
static void	xmldoc_setpostbr (char *postbr, size_t len, const char *text)
static void	xmldoc_string_cleanup (const char *text, struct ast_str **output, int lastspaces)
static char *	xmldoc_string_wrap (const char *text, int columns, int maxdiff)
static void	xmldoc_unload_documentation (void)
	Close and unload XML documentation.
static int	xmldoc_wait_nextspace (const char *text, int currentpos, int maxdiff)
Variables
static struct strcolorized_tags	colorized_tags []
static const char	default_documentation_language [] = "en_US"
	Default documentation language.
static char	documentation_language [6]
	XML documentation language.
static struct strspecial_tags	special_tags []
struct strsyntaxtype	stxtype []
	Mapping between type of node and type of syntax to generate.
static const int	xmldoc_max_diff = 5
	This is a value that we will use to let the wrapping mechanism move the cursor backward and forward xmldoc_max_diff positions before cutting the middle of a word, trying to find a space or a .
static const int	xmldoc_text_columns = 74
	Number of columns to print when showing the XML documentation with a 'core show application/function *' CLI command. Used in text wrapping.

---

Detailed Description

XML Documentation API.

Author:

Eliel C. Sardanons (LU1ALY) <eliels@gmail.com>

Definition in file xmldoc.c.

---

Define Documentation

#define GOTONEXT	(	__rev,
		__a		)	(__rev ? ast_xml_node_get_prev(__a) : ast_xml_node_get_next(__a))

Referenced by xmldoc_get_syntax_fun().

#define ISLAST	(	__rev,
		__a		)	(__rev == 1 ? (ast_xml_node_get_prev(__a) ? 0 : 1) : (ast_xml_node_get_next(__a) ? 0 : 1))

Referenced by xmldoc_get_syntax_fun().

#define MP

(

__a

)

((multiple ? __a : ""))

Referenced by xmldoc_get_syntax_fun().

---

Enumeration Type Documentation

enum syntaxtype

Types of syntax that we are able to generate.

Enumerator:

FUNCTION_SYNTAX
COMMAND_SYNTAX

Definition at line 988 of file xmldoc.c.

                {
   FUNCTION_SYNTAX,
   COMMAND_SYNTAX
};

---

Function Documentation

char* ast_xmldoc_build_arguments	(	const char *	type,
		const char *	name
	)

Generate the [arguments] tag based on type of node ('application', 'function' or 'agi') and name.

Parameters:

	type	'application', 'function' or 'agi' ?
	name	Name of the application or function to build the 'arguments' tag.

Return values:

	NULL	on error.
	Output	buffer with the [arguments] tag content.

Definition at line 1611 of file xmldoc.c.

References ast_free, ast_str_buffer(), ast_str_create(), ast_str_strlen(), ast_str_truncate(), ast_strdup, ast_strlen_zero(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), buf, xmldoc_get_node(), and xmldoc_parse_parameter().

Referenced by acf_retrieve_docs(), and ast_register_application2().

{
   struct ast_xml_node *node;
   struct ast_str *ret = ast_str_create(128);
   char *retstr = NULL;

   if (ast_strlen_zero(type) || ast_strlen_zero(name)) {
      return NULL;
   }

   node = xmldoc_get_node(type, name, documentation_language);

   if (!node || !ast_xml_node_get_children(node)) {
      return NULL;
   }

   /* Find the syntax field. */
   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (!strcasecmp(ast_xml_node_get_name(node), "syntax")) {
         break;
      }
   }

   if (!node || !ast_xml_node_get_children(node)) {
      /* We couldn't find the syntax node. */
      return NULL;
   }

   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      xmldoc_parse_parameter(node, "", &ret);
   }

   if (ast_str_strlen(ret) > 0) {
      /* remove last '\n' */
      char *buf = ast_str_buffer(ret);
      if (buf[ast_str_strlen(ret) - 1] == '\n') {
         ast_str_truncate(ret, -1);
      }
      retstr = ast_strdup(ast_str_buffer(ret));
   }
   ast_free(ret);

   return retstr;
}

char* ast_xmldoc_build_description	(	const char *	type,
		const char *	name
	)

Generate description documentation from XML.

Parameters:

	type	The source of documentation (application, function, etc).
	name	The name of the application, function, etc.

Return values:

	NULL	on error.
	A	malloc'ed string with the formatted description.

Definition at line 1745 of file xmldoc.c.

References xmldoc_build_field().

Referenced by acf_retrieve_docs(), ast_agi_register(), and ast_register_application2().

{
   return xmldoc_build_field(type, name, "description", 0);
}

char* ast_xmldoc_build_seealso	(	const char *	type,
		const char *	name
	)

Parse the <see-also> node content.

Parameters:

	type	'application', 'function' or 'agi'.
	name	Application or functions name.

Return values:

	NULL	on error.
	Content	of the see-also node.

Definition at line 1318 of file xmldoc.c.

References ast_free, ast_str_append(), ast_str_buffer(), ast_str_create(), ast_strdup, ast_strlen_zero(), ast_xml_free_attr(), ast_xml_free_text(), ast_xml_get_attribute(), ast_xml_get_text(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), first, and xmldoc_get_node().

Referenced by acf_retrieve_docs(), ast_agi_register(), and ast_register_application2().

{
   struct ast_str *outputstr;
   char *output;
   struct ast_xml_node *node;
   const char *typename;
   const char *content;
   int first = 1;

   if (ast_strlen_zero(type) || ast_strlen_zero(name)) {
      return NULL;
   }

   /* get the application/function root node. */
   node = xmldoc_get_node(type, name, documentation_language);
   if (!node || !ast_xml_node_get_children(node)) {
      return NULL;
   }

   /* Find the <see-also> node. */
   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (!strcasecmp(ast_xml_node_get_name(node), "see-also")) {
         break;
      }
   }

   if (!node || !ast_xml_node_get_children(node)) {
      /* we couldnt find a <see-also> node. */
      return NULL;
   }

   /* prepare the output string. */
   outputstr = ast_str_create(128);
   if (!outputstr) {
      return NULL;
   }

   /* get into the <see-also> node. */
   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (strcasecmp(ast_xml_node_get_name(node), "ref")) {
         continue;
      }

      /* parse the <ref> node. 'type' attribute is required. */
      typename = ast_xml_get_attribute(node, "type");
      if (!typename) {
         continue;
      }
      content = ast_xml_get_text(node);
      if (!content) {
         ast_xml_free_attr(typename);
         continue;
      }
      if (!strcasecmp(typename, "application")) {
         ast_str_append(&outputstr, 0, "%s%s()",   (first ? "" : ", "), content);
      } else if (!strcasecmp(typename, "function")) {
         ast_str_append(&outputstr, 0, "%s%s", (first ? "" : ", "), content);
      } else if (!strcasecmp(typename, "astcli")) {
         ast_str_append(&outputstr, 0, "%s<astcli>%s</astcli>", (first ? "" : ", "), content);
      } else {
         ast_str_append(&outputstr, 0, "%s%s", (first ? "" : ", "), content);
      }
      first = 0;
      ast_xml_free_text(content);
      ast_xml_free_attr(typename);
   }

   output = ast_strdup(ast_str_buffer(outputstr));
   ast_free(outputstr);

   return output;
}

char* ast_xmldoc_build_synopsis	(	const char *	type,
		const char *	name
	)

Generate synopsis documentation from XML.

Parameters:

	type	The source of documentation (application, function, etc).
	name	The name of the application, function, etc.

Return values:

	NULL	on error.
	A	malloc'ed string with the synopsis.

Definition at line 1740 of file xmldoc.c.

References xmldoc_build_field().

Referenced by acf_retrieve_docs(), ast_agi_register(), and ast_register_application2().

{
   return xmldoc_build_field(type, name, "synopsis", 1);
}

char* ast_xmldoc_build_syntax	(	const char *	type,
		const char *	name
	)

Get the syntax for a specified application or function.

Parameters:

	type	Application, Function or AGI ?
	name	Name of the application or function.

Return values:

	NULL	on error.
	The	generated syntax in a ast_malloc'ed string.

Definition at line 1020 of file xmldoc.c.

References ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), FUNCTION_SYNTAX, xmldoc_get_node(), xmldoc_get_syntax_cmd(), xmldoc_get_syntax_fun(), and xmldoc_get_syntax_type().

Referenced by acf_retrieve_docs(), ast_agi_register(), and ast_register_application2().

{
   struct ast_xml_node *node;
   char *syntax = NULL;

   node = xmldoc_get_node(type, name, documentation_language);
   if (!node) {
      return NULL;
   }

   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (!strcasecmp(ast_xml_node_get_name(node), "syntax")) {
         break;
      }
   }

   if (node) {
      if (xmldoc_get_syntax_type(type) == FUNCTION_SYNTAX) {
         syntax = xmldoc_get_syntax_fun(node, name, "parameter", 1, 1);
      } else {
         syntax = xmldoc_get_syntax_cmd(node, name, 1);
      }
   }
   return syntax;
}

int ast_xmldoc_load_documentation

(

void

)

Load XML documentation. Provided by xmldoc.c.

Return values:

	1	on error.
	0	on success.

Definition at line 1765 of file xmldoc.c.

References ast_asprintf, ast_calloc, ast_config_AST_DATA_DIR, ast_config_destroy(), ast_config_load2(), ast_free, ast_log(), ast_register_atexit(), AST_RWLIST_INSERT_TAIL, AST_RWLIST_UNLOCK, AST_RWLIST_WRLOCK, ast_strdup, ast_strlen_zero(), ast_variable_browse(), ast_xml_close(), ast_xml_get_root(), ast_xml_init(), ast_xml_node_get_name(), ast_xml_open(), CONFIG_STATUS_FILEINVALID, documentation_tree::doc, documentation_tree::entry, documentation_tree::filename, GLOB_ABORTED, LOG_ERROR, LOG_WARNING, MY_GLOB_FLAGS, ast_variable::name, ast_variable::next, ast_variable::value, var, and xmldoc_unload_documentation().

Referenced by main().

{
   struct ast_xml_node *root_node;
   struct ast_xml_doc *tmpdoc;
   struct documentation_tree *doc_tree;
   char *xmlpattern;
   struct ast_config *cfg = NULL;
   struct ast_variable *var = NULL;
   struct ast_flags cnfflags = { 0 };
   int globret, i, dup, duplicate;
   glob_t globbuf;

   /* setup default XML documentation language */
   snprintf(documentation_language, sizeof(documentation_language), default_documentation_language);

   if ((cfg = ast_config_load2("asterisk.conf", "" /* core can't reload */, cnfflags)) && cfg != CONFIG_STATUS_FILEINVALID) {
      for (var = ast_variable_browse(cfg, "options"); var; var = var->next) {
         if (!strcasecmp(var->name, "documentation_language")) {
            if (!ast_strlen_zero(var->value)) {
               snprintf(documentation_language, sizeof(documentation_language), "%s", var->value);
            }
         }
      }
      ast_config_destroy(cfg);
   }

   /* initialize the XML library. */
   ast_xml_init();

   /* register function to be run when asterisk finish. */
   ast_register_atexit(xmldoc_unload_documentation);

   /* Get every *-LANG.xml file inside $(ASTDATADIR)/documentation */
   ast_asprintf(&xmlpattern, "%s/documentation{/thirdparty/,/}*-{%s,%.2s_??,%s}.xml", ast_config_AST_DATA_DIR,
         documentation_language, documentation_language, default_documentation_language);
   globbuf.gl_offs = 0;    /* initialize it to silence gcc */
   globret = glob(xmlpattern, MY_GLOB_FLAGS, NULL, &globbuf);
   if (globret == GLOB_NOSPACE) {
      ast_log(LOG_WARNING, "Glob Expansion of pattern '%s' failed: Not enough memory\n", xmlpattern);
      ast_free(xmlpattern);
      return 1;
   } else if (globret  == GLOB_ABORTED) {
      ast_log(LOG_WARNING, "Glob Expansion of pattern '%s' failed: Read error\n", xmlpattern);
      ast_free(xmlpattern);
      return 1;
   }
   ast_free(xmlpattern);

   AST_RWLIST_WRLOCK(&xmldoc_tree);
   /* loop over expanded files */
   for (i = 0; i < globbuf.gl_pathc; i++) {
      /* check for duplicates (if we already [try to] open the same file. */
      duplicate = 0;
      for (dup = 0; dup < i; dup++) {
         if (!strcmp(globbuf.gl_pathv[i], globbuf.gl_pathv[dup])) {
            duplicate = 1;
            break;
         }
      }
      if (duplicate) {
         continue;
      }
      tmpdoc = NULL;
      tmpdoc = ast_xml_open(globbuf.gl_pathv[i]);
      if (!tmpdoc) {
         ast_log(LOG_ERROR, "Could not open XML documentation at '%s'\n", globbuf.gl_pathv[i]);
         continue;
      }
      /* Get doc root node and check if it starts with '<docs>' */
      root_node = ast_xml_get_root(tmpdoc);
      if (!root_node) {
         ast_log(LOG_ERROR, "Error getting documentation root node");
         ast_xml_close(tmpdoc);
         continue;
      }
      /* Check root node name for malformed xmls. */
      if (strcmp(ast_xml_node_get_name(root_node), "docs")) {
         ast_log(LOG_ERROR, "Documentation file is not well formed!\n");
         ast_xml_close(tmpdoc);
         continue;
      }
      doc_tree = ast_calloc(1, sizeof(*doc_tree));
      if (!doc_tree) {
         ast_log(LOG_ERROR, "Unable to allocate documentation_tree structure!\n");
         ast_xml_close(tmpdoc);
         continue;
      }
      doc_tree->doc = tmpdoc;
      doc_tree->filename = ast_strdup(globbuf.gl_pathv[i]);
      AST_RWLIST_INSERT_TAIL(&xmldoc_tree, doc_tree, entry);
   }
   AST_RWLIST_UNLOCK(&xmldoc_tree);

   globfree(&globbuf);

   return 0;
}

char* ast_xmldoc_printable	(	const char *	bwinput,
		int	withcolors
	)

Colorize and put delimiters (instead of tags) to the xmldoc output.

Parameters:

	bwinput	Not colorized input with tags.
	withcolors	Result output with colors.

Return values:

	NULL	on error.
	New	malloced buffer colorized and with delimiters.

Definition at line 309 of file xmldoc.c.

References ARRAY_LEN, ast_copy_string(), ast_free, ast_str_append(), ast_str_buffer(), ast_str_create(), ast_term_color_code(), buf, COLOR_CYAN, colorized_tags, len(), term_end(), and xmldoc_string_wrap().

Referenced by handle_cli_agi_show(), handle_show_function(), print_app_docs(), and write_htmldump().

{
   struct ast_str *colorized;
   char *wrapped = NULL;
   int i, c, len, colorsection;
   char *tmp;
   size_t bwinputlen;
   static const int base_fg = COLOR_CYAN;

   if (!bwinput) {
      return NULL;
   }

   bwinputlen = strlen(bwinput);

   if (!(colorized = ast_str_create(256))) {
      return NULL;
   }

   if (withcolors) {
      ast_term_color_code(&colorized, base_fg, 0);
      if (!colorized) {
         return NULL;
      }
   }

   for (i = 0; i < bwinputlen; i++) {
      colorsection = 0;
      /* Check if we are at the beginning of a tag to be colorized. */
      for (c = 0; c < ARRAY_LEN(colorized_tags); c++) {
         if (strncasecmp(bwinput + i, colorized_tags[c].inittag, strlen(colorized_tags[c].inittag))) {
            continue;
         }

         if (!(tmp = strcasestr(bwinput + i + strlen(colorized_tags[c].inittag), colorized_tags[c].endtag))) {
            continue;
         }

         len = tmp - (bwinput + i + strlen(colorized_tags[c].inittag));

         /* Setup color */
         if (withcolors) {
            ast_term_color_code(&colorized, colorized_tags[c].colorfg, 0);
            if (!colorized) {
               return NULL;
            }
         }

         /* copy initial string replace */
         ast_str_append(&colorized, 0, "%s", colorized_tags[c].init);
         if (!colorized) {
            return NULL;
         }
         {
            char buf[len + 1];
            ast_copy_string(buf, bwinput + i + strlen(colorized_tags[c].inittag), sizeof(buf));
            ast_str_append(&colorized, 0, "%s", buf);
         }
         if (!colorized) {
            return NULL;
         }

         /* copy the ending string replace */
         ast_str_append(&colorized, 0, "%s", colorized_tags[c].end);
         if (!colorized) {
            return NULL;
         }

         /* Continue with the last color. */
         if (withcolors) {
            ast_term_color_code(&colorized, base_fg, 0);
            if (!colorized) {
               return NULL;
            }
         }

         i += len + strlen(colorized_tags[c].endtag) + strlen(colorized_tags[c].inittag) - 1;
         colorsection = 1;
         break;
      }

      if (!colorsection) {
         ast_str_append(&colorized, 0, "%c", bwinput[i]);
         if (!colorized) {
            return NULL;
         }
      }
   }

   if (withcolors) {
      ast_str_append(&colorized, 0, "%s", term_end());
      if (!colorized) {
         return NULL;
      }
   }

   /* Wrap the text, notice that string wrap will avoid cutting an ESC sequence. */
   wrapped = xmldoc_string_wrap(ast_str_buffer(colorized), xmldoc_text_columns, xmldoc_max_diff);

   ast_free(colorized);

   return wrapped;
}

static char* xmldoc_build_field	(	const char *	type,
		const char *	name,
		const char *	var,
		int	raw
	)			[static]

Get the content of a field (synopsis, description, etc) from an asterisk document tree.

Parameters:

	type	Type of element (application, function, ...).
	name	Name of element (Dial, Echo, Playback, ...).
	var	Name of field to return (synopsis, description, etc).
	raw	Field only contains text, no other elements inside it.

Return values:

	NULL	On error.
	Field	text content on success.

Definition at line 1706 of file xmldoc.c.

References ast_free, ast_log(), ast_str_buffer(), ast_str_strlen(), ast_strdup, ast_strlen_zero(), ast_xml_find_element(), ast_xml_node_get_children(), LOG_DEBUG, LOG_ERROR, LOG_WARNING, xmldoc_get_formatted(), and xmldoc_get_node().

Referenced by ast_xmldoc_build_description(), and ast_xmldoc_build_synopsis().

{
   struct ast_xml_node *node;
   char *ret = NULL;
   struct ast_str *formatted;

   if (ast_strlen_zero(type) || ast_strlen_zero(name)) {
      ast_log(LOG_ERROR, "Tried to look in XML tree with faulty values.\n");
      return ret;
   }

   node = xmldoc_get_node(type, name, documentation_language);

   if (!node) {
      ast_log(LOG_WARNING, "Counldn't find %s %s in XML documentation\n", type, name);
      return ret;
   }

   node = ast_xml_find_element(ast_xml_node_get_children(node), var, NULL, NULL);

   if (!node || !ast_xml_node_get_children(node)) {
      ast_log(LOG_DEBUG, "Cannot find variable '%s' in tree '%s'\n", name, var);
      return ret;
   }

   formatted = xmldoc_get_formatted(node, raw, raw);
   if (ast_str_strlen(formatted) > 0) {
      ret = ast_strdup(ast_str_buffer(formatted));
   }
   ast_free(formatted);

   return ret;
}

static int xmldoc_foundspace_backward	(	const char *	text,
		int	currentpos,
		int	maxdiff
	)			[static]

Definition at line 203 of file xmldoc.c.

Referenced by xmldoc_string_wrap().

{
   int i;

   for (i = currentpos; i > 0; i--) {
      if (text[i] == ' ' || text[i] == '\n') {
         return (currentpos - i);
      } else if (text[i] == 'm' && (text[i - 1] >= '0' || text[i - 1] <= '9')) {
         /* give up, we found the end of a possible ESC sequence. */
         return 0;
      } else if (currentpos - i > maxdiff) {
         /* give up, we can't move anymore. */
         return 0;
      }
   }

   /* we found the beginning of the text */

   return 0;
}

static struct ast_str* xmldoc_get_formatted	(	struct ast_xml_node *	node,
		int	raw_output,
		int	raw_wrap
	)			[static, read]

Definition at line 1664 of file xmldoc.c.

References ast_skip_blanks(), ast_str_buffer(), ast_str_create(), ast_str_strlen(), ast_str_truncate(), ast_xml_free_text(), ast_xml_get_text(), ast_xml_node_get_children(), ast_xml_node_get_next(), xmldoc_parse_enumlist(), xmldoc_parse_para(), xmldoc_parse_specialtags(), xmldoc_parse_variablelist(), and xmldoc_string_cleanup().

Referenced by xmldoc_build_field().

{
   struct ast_xml_node *tmp;
   const char *notcleanret, *tmpstr;
   struct ast_str *ret = ast_str_create(128);

   if (raw_output) {
      notcleanret = ast_xml_get_text(node);
      tmpstr = notcleanret;
      xmldoc_string_cleanup(ast_skip_blanks(notcleanret), &ret, 0);
      ast_xml_free_text(tmpstr);
   } else {
      for (tmp = ast_xml_node_get_children(node); tmp; tmp = ast_xml_node_get_next(tmp)) {
         /* if found, parse a <para> element. */
         if (xmldoc_parse_para(tmp, "", "\n", &ret)) {
            continue;
         } else if (xmldoc_parse_specialtags(tmp, "", "\n", &ret)) {
            continue;
         }
         /* if found, parse a <variablelist> element. */
         xmldoc_parse_variablelist(tmp, "", &ret);
         xmldoc_parse_enumlist(tmp, "    ", &ret);
      }
      /* remove last '\n' */
      /* XXX Don't modify ast_str internals manually */
      tmpstr = ast_str_buffer(ret);
      if (tmpstr[ast_str_strlen(ret) - 1] == '\n') {
         ast_str_truncate(ret, -1);
      }
   }
   return ret;
}

static struct ast_xml_node* xmldoc_get_node	(	const char *	type,
		const char *	name,
		const char *	language
	)			[static, read]

Definition at line 465 of file xmldoc.c.

References AST_LIST_TRAVERSE, AST_RWLIST_RDLOCK, AST_RWLIST_UNLOCK, ast_xml_find_element(), ast_xml_free_attr(), ast_xml_get_attribute(), ast_xml_get_root(), ast_xml_node_get_children(), documentation_tree::doc, and documentation_tree::entry.

Referenced by ast_xmldoc_build_arguments(), ast_xmldoc_build_seealso(), ast_xmldoc_build_syntax(), and xmldoc_build_field().

{
   struct ast_xml_node *node = NULL;
   struct documentation_tree *doctree;
   const char *lang;

   AST_RWLIST_RDLOCK(&xmldoc_tree);
   AST_LIST_TRAVERSE(&xmldoc_tree, doctree, entry) {
      /* the core xml documents have priority over thirdparty document. */
      node = ast_xml_get_root(doctree->doc);
      while ((node = ast_xml_find_element(node, type, "name", name))) {
         /* Check language */
         lang = ast_xml_get_attribute(node, "language");
         if (lang && !strcmp(lang, language)) {
            ast_xml_free_attr(lang);
            break;
         } else if (lang) {
            ast_xml_free_attr(lang);
         }
      }

      if (node && ast_xml_node_get_children(node)) {
         break;
      }

      /* We didn't find the application documentation for the specified language,
      so, try to load documentation for any language */
      node = ast_xml_get_root(doctree->doc);
      if (ast_xml_node_get_children(node)) {
         if ((node = ast_xml_find_element(ast_xml_node_get_children(node), type, "name", name))) {
            break;
         }
      }
   }
   AST_RWLIST_UNLOCK(&xmldoc_tree);

   return node;
}

static char * xmldoc_get_syntax_cmd	(	struct ast_xml_node *	fixnode,
		const char *	name,
		int	printname
	)			[static]

Definition at line 898 of file xmldoc.c.

References ast_free, ast_str_append(), ast_str_buffer(), ast_str_create(), ast_strdup, ast_true(), ast_xml_free_attr(), ast_xml_get_attribute(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), first, xmldoc_has_inside(), and xmldoc_parse_cmd_enumlist().

Referenced by ast_xmldoc_build_syntax(), and xmldoc_parse_cmd_enumlist().

{
   struct ast_str *syntax;
   struct ast_xml_node *tmpnode, *node = fixnode;
   char *ret, *paramname;
   const char *paramtype, *attrname, *literal;
   int required, isenum, first = 1, isliteral;

   syntax = ast_str_create(128);
   if (!syntax) {
      /* at least try to return something... */
      return ast_strdup(name);
   }

   /* append name to output string. */
   if (printname) {
      ast_str_append(&syntax, 0, "%s", name);
      first = 0;
   }

   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (strcasecmp(ast_xml_node_get_name(node), "parameter")) {
         continue;
      }

      if (xmldoc_has_inside(node, "parameter")) {
         /* is this a recursive parameter. */
         paramname = xmldoc_get_syntax_cmd(node, "", 0);
         isenum = 1;
      } else if (!xmldoc_has_inside(node, "enumlist")) {
         /* this is a simple parameter. */
         attrname = ast_xml_get_attribute(node, "name");
         if (!attrname) {
            /* ignore this bogus parameter and continue. */
            continue;
         }
         paramname = ast_strdup(attrname);
         ast_xml_free_attr(attrname);
         isenum = 0;
      } else {
         /* parse enumlist (note that this is a special enumlist
         that is used to describe a syntax like {<param1>|<param2>|...} */
         for (tmpnode = ast_xml_node_get_children(node); tmpnode; tmpnode = ast_xml_node_get_next(tmpnode)) {
            if (!strcasecmp(ast_xml_node_get_name(tmpnode), "enumlist")) {
               break;
            }
         }
         paramname = xmldoc_parse_cmd_enumlist(tmpnode);
         isenum = 1;
      }

      /* Is this parameter required? */
      required = 0;
      paramtype = ast_xml_get_attribute(node, "required");
      if (paramtype) {
         required = ast_true(paramtype);
         ast_xml_free_attr(paramtype);
      }

      /* Is this a replaceable value or a fixed parameter value? */
      isliteral = 0;
      literal = ast_xml_get_attribute(node, "literal");
      if (literal) {
         isliteral = ast_true(literal);
         ast_xml_free_attr(literal);
      }

      /* if required="false" print with [...].
       * if literal="true" or is enum print without <..>.
       * if not first print a space at the beginning.
       */
      ast_str_append(&syntax, 0, "%s%s%s%s%s%s",
            (first ? "" : " "),
            (required ? "" : "["),
            (isenum || isliteral ? "" : "<"),
            paramname,
            (isenum || isliteral ? "" : ">"),
            (required ? "" : "]"));
      first = 0;
      ast_free(paramname);
   }

   /* return a common string. */
   ret = ast_strdup(ast_str_buffer(syntax));
   ast_free(syntax);

   return ret;
}

static char* xmldoc_get_syntax_fun	(	struct ast_xml_node *	rootnode,
		const char *	rootname,
		const char *	childname,
		int	printparenthesis,
		int	printrootname
	)			[static]

Definition at line 620 of file xmldoc.c.

References ast_asprintf, ast_free, ast_log(), ast_strdup, ast_strlen_zero(), ast_true(), ast_xml_free_attr(), ast_xml_get_attribute(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), GOTONEXT, ISLAST, len(), LOG_WARNING, MP, xmldoc_has_inside(), and xmldoc_reverse_helper().

Referenced by ast_xmldoc_build_syntax(), and xmldoc_parse_optionlist().

{
#define GOTONEXT(__rev, __a) (__rev ? ast_xml_node_get_prev(__a) : ast_xml_node_get_next(__a))
#define ISLAST(__rev, __a)  (__rev == 1 ? (ast_xml_node_get_prev(__a) ? 0 : 1) : (ast_xml_node_get_next(__a) ? 0 : 1))
#define MP(__a) ((multiple ? __a : ""))
   struct ast_xml_node *node = NULL, *firstparam = NULL, *lastparam = NULL;
   const char *paramtype, *multipletype, *paramnameattr, *attrargsep, *parenthesis, *argname;
   int reverse, required, paramcount = 0, openbrackets = 0, len = 0, hasparams=0;
   int reqfinode = 0, reqlanode = 0, optmidnode = 0, prnparenthesis, multiple;
   char *syntax = NULL, *argsep, *paramname;

   if (ast_strlen_zero(rootname) || ast_strlen_zero(childname)) {
      ast_log(LOG_WARNING, "Tried to look in XML tree with faulty rootname or childname while creating a syntax.\n");
      return NULL;
   }

   if (!rootnode || !ast_xml_node_get_children(rootnode)) {
      /* If the rootnode field is not found, at least print name. */
      ast_asprintf(&syntax, "%s%s", (printrootname ? rootname : ""), (printparenthesis ? "()" : ""));
      return syntax;
   }

   /* Get the argument separator from the root node attribute name 'argsep', if not found
   defaults to ','. */
   attrargsep = ast_xml_get_attribute(rootnode, "argsep");
   if (attrargsep) {
      argsep = ast_strdupa(attrargsep);
      ast_xml_free_attr(attrargsep);
   } else {
      argsep = ast_strdupa(",");
   }

   /* Get order of evaluation. */
   for (node = ast_xml_node_get_children(rootnode); node; node = ast_xml_node_get_next(node)) {
      if (strcasecmp(ast_xml_node_get_name(node), childname)) {
         continue;
      }
      required = 0;
      hasparams = 1;
      if ((paramtype = ast_xml_get_attribute(node, "required"))) {
         if (ast_true(paramtype)) {
            required = 1;
         }
         ast_xml_free_attr(paramtype);
      }

      lastparam = node;
      reqlanode = required;

      if (!firstparam) {
         /* first parameter node */
         firstparam = node;
         reqfinode = required;
      }
   }

   if (!hasparams) {
      /* This application, function, option, etc, doesn't have any params. */
      ast_asprintf(&syntax, "%s%s", (printrootname ? rootname : ""), (printparenthesis ? "()" : ""));
      return syntax;
   }

   if (reqfinode && reqlanode) {
      /* check midnode */
      for (node = ast_xml_node_get_children(rootnode); node; node = ast_xml_node_get_next(node)) {
         if (strcasecmp(ast_xml_node_get_name(node), childname)) {
            continue;
         }
         if (node != firstparam && node != lastparam) {
            if ((paramtype = ast_xml_get_attribute(node, "required"))) {
               if (!ast_true(paramtype)) {
                  optmidnode = 1;
                  break;
               }
               ast_xml_free_attr(paramtype);
            }
         }
      }
   }

   if ((!reqfinode && reqlanode) || (reqfinode && reqlanode && optmidnode)) {
      reverse = 1;
      node = lastparam;
   } else {
      reverse = 0;
      node = firstparam;
   }

   /* init syntax string. */
   if (reverse) {
      xmldoc_reverse_helper(reverse, &len, &syntax,
         (printrootname ? (printrootname == 2 ? ")]" : ")"): ""));
   } else {
      xmldoc_reverse_helper(reverse, &len, &syntax, "%s%s", (printrootname ? rootname : ""),
         (printrootname ? (printrootname == 2 ? "[(" : "(") : ""));
   }

   for (; node; node = GOTONEXT(reverse, node)) {
      if (strcasecmp(ast_xml_node_get_name(node), childname)) {
         continue;
      }

      /* Get the argument name, if it is not the leaf, go inside that parameter. */
      if (xmldoc_has_inside(node, "argument")) {
         parenthesis = ast_xml_get_attribute(node, "hasparams");
         prnparenthesis = 0;
         if (parenthesis) {
            prnparenthesis = ast_true(parenthesis);
            if (!strcasecmp(parenthesis, "optional")) {
               prnparenthesis = 2;
            }
            ast_xml_free_attr(parenthesis);
         }
         argname = ast_xml_get_attribute(node, "name");
         if (argname) {
            paramname = xmldoc_get_syntax_fun(node, argname, "argument", prnparenthesis, prnparenthesis);
            ast_xml_free_attr(argname);
         } else {
            /* Malformed XML, print **UNKOWN** */
            paramname = ast_strdup("**unknown**");
         }
      } else {
         paramnameattr = ast_xml_get_attribute(node, "name");
         if (!paramnameattr) {
            ast_log(LOG_WARNING, "Malformed XML %s: no %s name\n", rootname, childname);
            if (syntax) {
               /* Free already allocated syntax */
               ast_free(syntax);
            }
            /* to give up is ok? */
            ast_asprintf(&syntax, "%s%s", (printrootname ? rootname : ""), (printparenthesis ? "()" : ""));
            return syntax;
         }
         paramname = ast_strdup(paramnameattr);
         ast_xml_free_attr(paramnameattr);
      }

      /* Defaults to 'false'. */
      multiple = 0;
      if ((multipletype = ast_xml_get_attribute(node, "multiple"))) {
         if (ast_true(multipletype)) {
            multiple = 1;
         }
         ast_xml_free_attr(multipletype);
      }

      required = 0;  /* Defaults to 'false'. */
      if ((paramtype = ast_xml_get_attribute(node, "required"))) {
         if (ast_true(paramtype)) {
            required = 1;
         }
         ast_xml_free_attr(paramtype);
      }

      /* build syntax core. */

      if (required) {
         /* First parameter */
         if (!paramcount) {
            xmldoc_reverse_helper(reverse, &len, &syntax, "%s%s%s%s", paramname, MP("["), MP(argsep), MP("...]"));
         } else {
            /* Time to close open brackets. */
            while (openbrackets > 0) {
               xmldoc_reverse_helper(reverse, &len, &syntax, (reverse ? "[" : "]"));
               openbrackets--;
            }
            if (reverse) {
               xmldoc_reverse_helper(reverse, &len, &syntax, "%s%s", paramname, argsep);
            } else {
               xmldoc_reverse_helper(reverse, &len, &syntax, "%s%s", argsep, paramname);
            }
            xmldoc_reverse_helper(reverse, &len, &syntax, "%s%s%s", MP("["), MP(argsep), MP("...]"));
         }
      } else {
         /* First parameter */
         if (!paramcount) {
            xmldoc_reverse_helper(reverse, &len, &syntax, "[%s%s%s%s]", paramname, MP("["), MP(argsep), MP("...]"));
         } else {
            if (ISLAST(reverse, node)) {
               /* This is the last parameter. */
               if (reverse) {
                  xmldoc_reverse_helper(reverse, &len, &syntax, "[%s%s%s%s]%s", paramname,
                           MP("["), MP(argsep), MP("...]"), argsep);
               } else {
                  xmldoc_reverse_helper(reverse, &len, &syntax, "%s[%s%s%s%s]", argsep, paramname,
                           MP("["), MP(argsep), MP("...]"));
               }
            } else {
               if (reverse) {
                  xmldoc_reverse_helper(reverse, &len, &syntax, "%s%s%s%s%s]", paramname, argsep,
                           MP("["), MP(argsep), MP("...]"));
               } else {
                  xmldoc_reverse_helper(reverse, &len, &syntax, "[%s%s%s%s%s", argsep, paramname,
                           MP("["), MP(argsep), MP("...]"));
               }
               openbrackets++;
            }
         }
      }
      ast_free(paramname);

      paramcount++;
   }

   /* Time to close open brackets. */
   while (openbrackets > 0) {
      xmldoc_reverse_helper(reverse, &len, &syntax, (reverse ? "[" : "]"));
      openbrackets--;
   }

   /* close syntax string. */
   if (reverse) {
      xmldoc_reverse_helper(reverse, &len, &syntax, "%s%s", (printrootname ? rootname : ""),
         (printrootname ? (printrootname == 2 ? "[(" : "(") : ""));
   } else {
      xmldoc_reverse_helper(reverse, &len, &syntax, (printrootname ? (printrootname == 2 ? ")]" : ")") : ""));
   }

   return syntax;
#undef ISLAST
#undef GOTONEXT
#undef MP
}

static enum syntaxtype xmldoc_get_syntax_type

(

const char *

type

)

[static]

Definition at line 1008 of file xmldoc.c.

References ARRAY_LEN, FUNCTION_SYNTAX, strsyntaxtype::stxtype, and stxtype.

Referenced by ast_xmldoc_build_syntax().

{
   int i;
   for (i=0; i < ARRAY_LEN(stxtype); i++) {
      if (!strcasecmp(stxtype[i].type, type)) {
         return stxtype[i].stxtype;
      }
   }

   return FUNCTION_SYNTAX;
}

static int xmldoc_has_inside	(	struct ast_xml_node *	fixnode,
		const char *	what
	)			[static]

Definition at line 559 of file xmldoc.c.

References ast_xml_node_get_children(), ast_xml_node_get_name(), and ast_xml_node_get_next().

Referenced by xmldoc_get_syntax_cmd(), xmldoc_get_syntax_fun(), xmldoc_parse_argument(), and xmldoc_parse_parameter().

{
   struct ast_xml_node *node = fixnode;

   for (node = ast_xml_node_get_children(fixnode); node; node = ast_xml_node_get_next(node)) {
      if (!strcasecmp(ast_xml_node_get_name(node), what)) {
         return 1;
      }
   }
   return 0;
}

static int xmldoc_has_nodes

(

struct ast_xml_node *

fixnode

)

[static]

Definition at line 577 of file xmldoc.c.

References ast_xml_node_get_children(), ast_xml_node_get_name(), and ast_xml_node_get_next().

Referenced by xmldoc_parse_parameter().

{
   struct ast_xml_node *node = fixnode;

   for (node = ast_xml_node_get_children(fixnode); node; node = ast_xml_node_get_next(node)) {
      if (strcasecmp(ast_xml_node_get_name(node), "text")) {
         return 1;
      }
   }
   return 0;
}

static int xmldoc_has_specialtags

(

struct ast_xml_node *

fixnode

)

[static]

Definition at line 595 of file xmldoc.c.

References ARRAY_LEN, ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), and special_tags.

Referenced by xmldoc_parse_argument().

{
   struct ast_xml_node *node = fixnode;
   int i;

   for (node = ast_xml_node_get_children(fixnode); node; node = ast_xml_node_get_next(node)) {
      for (i = 0; i < ARRAY_LEN(special_tags); i++) {
         if (!strcasecmp(ast_xml_node_get_name(node), special_tags[i].tagname)) {
            return 1;
         }
      }
   }
   return 0;
}

static int xmldoc_parse_argument	(	struct ast_xml_node *	fixnode,
		int	insideparameter,
		const char *	paramtabs,
		const char *	tabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1162 of file xmldoc.c.

References ast_str_append(), ast_xml_free_attr(), ast_xml_get_attribute(), ast_xml_node_get_children(), ast_xml_node_get_next(), xmldoc_has_inside(), xmldoc_has_specialtags(), xmldoc_parse_para(), and xmldoc_parse_specialtags().

Referenced by xmldoc_parse_option(), and xmldoc_parse_parameter().

{
   struct ast_xml_node *node = fixnode;
   const char *argname;
   int count = 0, ret = 0;

   if (!node || !ast_xml_node_get_children(node)) {
      return ret;
   }

   /* Print the argument names */
   argname = ast_xml_get_attribute(node, "name");
   if (!argname) {
      return 0;
   }
   if (xmldoc_has_inside(node, "para") || xmldoc_has_specialtags(node)) {
      ast_str_append(buffer, 0, "%s%s%s", tabs, argname, (insideparameter ? "\n" : ""));
      ast_xml_free_attr(argname);
   } else {
      ast_xml_free_attr(argname);
      return 0;
   }

   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (xmldoc_parse_para(node, (insideparameter ? paramtabs : (!count ? " - " : tabs)), "\n", buffer) == 2) {
         count++;
         ret = 1;
      } else if (xmldoc_parse_specialtags(node, (insideparameter ? paramtabs : (!count ? " - " : tabs)), "\n", buffer) == 2) {
         count++;
         ret = 1;
      }
   }

   return ret;
}

static char* xmldoc_parse_cmd_enumlist

(

struct ast_xml_node *

fixnode

)

[static]

Definition at line 851 of file xmldoc.c.

References ast_free, ast_str_append(), ast_str_buffer(), ast_str_create(), ast_strdup, ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), first, and xmldoc_get_syntax_cmd().

Referenced by xmldoc_get_syntax_cmd().

{
   struct ast_xml_node *node = fixnode;
   struct ast_str *paramname;
   char *enumname, *ret;
   int first = 1;

   paramname = ast_str_create(128);
   if (!paramname) {
      return ast_strdup("{<unkown>}");
   }

   ast_str_append(&paramname, 0, "{");

   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (strcasecmp(ast_xml_node_get_name(node), "enum")) {
         continue;
      }

      enumname = xmldoc_get_syntax_cmd(node, "", 0);
      if (!enumname) {
         continue;
      }
      if (!first) {
         ast_str_append(&paramname, 0, "|");
      }
      ast_str_append(&paramname, 0, "%s", enumname);
      first = 0;
      ast_free(enumname);
   }

   ast_str_append(&paramname, 0, "}");

   ret = ast_strdup(ast_str_buffer(paramname));
   ast_free(paramname);

   return ret;
}

static int xmldoc_parse_enum	(	struct ast_xml_node *	fixnode,
		const char *	tabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1398 of file xmldoc.c.

References ast_asprintf, ast_free, ast_xml_node_get_children(), ast_xml_node_get_next(), xmldoc_parse_enumlist(), xmldoc_parse_para(), and xmldoc_parse_specialtags().

Referenced by xmldoc_parse_enumlist().

{
   struct ast_xml_node *node = fixnode;
   int ret = 0;
   char *optiontabs;

   ast_asprintf(&optiontabs, "%s    ", tabs);

   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if ((xmldoc_parse_para(node, (ret ? tabs : " - "), "\n", buffer))) {
         ret = 1;
      } else if ((xmldoc_parse_specialtags(node, (ret ? tabs : " - "), "\n", buffer))) {
         ret = 1;
      }

      xmldoc_parse_enumlist(node, optiontabs, buffer);
   }

   ast_free(optiontabs);

   return ret;
}

static int xmldoc_parse_enumlist	(	struct ast_xml_node *	fixnode,
		const char *	tabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1428 of file xmldoc.c.

References ast_str_append(), ast_xml_free_attr(), ast_xml_get_attribute(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), and xmldoc_parse_enum().

Referenced by xmldoc_get_formatted(), xmldoc_parse_enum(), xmldoc_parse_option(), and xmldoc_parse_parameter().

{
   struct ast_xml_node *node = fixnode;
   const char *enumname;
   int ret = 0;

   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (strcasecmp(ast_xml_node_get_name(node), "enum")) {
         continue;
      }

      enumname = ast_xml_get_attribute(node, "name");
      if (enumname) {
         ast_str_append(buffer, 0, "%s<enum>%s</enum>", tabs, enumname);
         ast_xml_free_attr(enumname);

         /* parse only enum elements inside a enumlist node. */
         if ((xmldoc_parse_enum(node, tabs, buffer))) {
            ret = 1;
         } else {
            ast_str_append(buffer, 0, "\n");
         }
      }
   }
   return ret;
}

static int xmldoc_parse_option	(	struct ast_xml_node *	fixnode,
		const char *	tabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1464 of file xmldoc.c.

References ast_asprintf, ast_free, ast_str_append(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), xmldoc_parse_argument(), xmldoc_parse_enumlist(), xmldoc_parse_para(), xmldoc_parse_specialtags(), and xmldoc_parse_variablelist().

Referenced by xmldoc_parse_optionlist().

{
   struct ast_xml_node *node;
   int ret = 0;
   char *optiontabs;

   ast_asprintf(&optiontabs, "%s    ", tabs);
   if (!optiontabs) {
      return ret;
   }
   for (node = ast_xml_node_get_children(fixnode); node; node = ast_xml_node_get_next(node)) {
      if (!strcasecmp(ast_xml_node_get_name(node), "argument")) {
         /* if this is the first data appended to buffer, print a \n*/
         if (!ret && ast_xml_node_get_children(node)) {
            /* print \n */
            ast_str_append(buffer, 0, "\n");
         }
         if (xmldoc_parse_argument(node, 0, NULL, optiontabs, buffer)) {
            ret = 1;
         }
         continue;
      }

      if (xmldoc_parse_para(node, (ret ? tabs :  ""), "\n", buffer)) {
         ret = 1;
      } else if (xmldoc_parse_specialtags(node, (ret ? tabs :  ""), "\n", buffer)) {
         ret = 1;
      }

      xmldoc_parse_variablelist(node, optiontabs, buffer);

      xmldoc_parse_enumlist(node, optiontabs, buffer);
   }
   ast_free(optiontabs);

   return ret;
}

static void xmldoc_parse_optionlist	(	struct ast_xml_node *	fixnode,
		const char *	tabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1509 of file xmldoc.c.

References ast_str_append(), ast_xml_free_attr(), ast_xml_get_attribute(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), xmldoc_get_syntax_fun(), and xmldoc_parse_option().

Referenced by xmldoc_parse_parameter().

{
   struct ast_xml_node *node;
   const char *optname, *hasparams;
   char *optionsyntax;
   int optparams;

   for (node = ast_xml_node_get_children(fixnode); node; node = ast_xml_node_get_next(node)) {
      /* Start appending every option tag. */
      if (strcasecmp(ast_xml_node_get_name(node), "option")) {
         continue;
      }

      /* Get the option name. */
      optname = ast_xml_get_attribute(node, "name");
      if (!optname) {
         continue;
      }

      optparams = 1;
      hasparams = ast_xml_get_attribute(node, "hasparams");
      if (hasparams && !strcasecmp(hasparams, "optional")) {
         optparams = 2;
      }

      optionsyntax = xmldoc_get_syntax_fun(node, optname, "argument", 0, optparams);
      if (!optionsyntax) {
         ast_xml_free_attr(optname);
         ast_xml_free_attr(hasparams);
         continue;
      }

      ast_str_append(buffer, 0, "%s%s: ", tabs, optionsyntax);

      if (!xmldoc_parse_option(node, tabs, buffer)) {
         ast_str_append(buffer, 0, "\n");
      }
      ast_xml_free_attr(optname);
      ast_xml_free_attr(hasparams);
   }
}

static int xmldoc_parse_para	(	struct ast_xml_node *	node,
		const char *	tabs,
		const char *	posttabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1058 of file xmldoc.c.

References ast_free, ast_str_append(), ast_str_buffer(), ast_xml_free_text(), ast_xml_get_text(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), and xmldoc_string_cleanup().

Referenced by xmldoc_get_formatted(), xmldoc_parse_argument(), xmldoc_parse_enum(), xmldoc_parse_option(), xmldoc_parse_parameter(), xmldoc_parse_specialtags(), xmldoc_parse_variable(), and xmldoc_parse_variablelist().

{
   const char *tmptext;
   struct ast_xml_node *tmp;
   int ret = 0;
   struct ast_str *tmpstr;

   if (!node || !ast_xml_node_get_children(node)) {
      return ret;
   }

   if (strcasecmp(ast_xml_node_get_name(node), "para")) {
      return ret;
   }

   ast_str_append(buffer, 0, "%s", tabs);

   ret = 1;

   for (tmp = ast_xml_node_get_children(node); tmp; tmp = ast_xml_node_get_next(tmp)) {
      /* Get the text inside the <para> element and append it to buffer. */
      tmptext = ast_xml_get_text(tmp);
      if (tmptext) {
         /* Strip \n etc. */
         xmldoc_string_cleanup(tmptext, &tmpstr, 0);
         ast_xml_free_text(tmptext);
         if (tmpstr) {
            if (strcasecmp(ast_xml_node_get_name(tmp), "text")) {
               ast_str_append(buffer, 0, "<%s>%s</%s>", ast_xml_node_get_name(tmp),
                     ast_str_buffer(tmpstr), ast_xml_node_get_name(tmp));
            } else {
               ast_str_append(buffer, 0, "%s", ast_str_buffer(tmpstr));
            }
            ast_free(tmpstr);
            ret = 2;
         }
      }
   }

   ast_str_append(buffer, 0, "%s", posttabs);

   return ret;
}

static void xmldoc_parse_parameter	(	struct ast_xml_node *	fixnode,
		const char *	tabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1558 of file xmldoc.c.

References ast_asprintf, ast_free, ast_str_append(), ast_xml_free_attr(), ast_xml_get_attribute(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), xmldoc_has_inside(), xmldoc_has_nodes(), xmldoc_parse_argument(), xmldoc_parse_enumlist(), xmldoc_parse_optionlist(), xmldoc_parse_para(), and xmldoc_parse_specialtags().

Referenced by ast_xmldoc_build_arguments().

{
   const char *paramname;
   struct ast_xml_node *node = fixnode;
   int hasarguments, printed = 0;
   char *internaltabs;

   if (strcasecmp(ast_xml_node_get_name(node), "parameter")) {
      return;
   }

   hasarguments = xmldoc_has_inside(node, "argument");
   if (!(paramname = ast_xml_get_attribute(node, "name"))) {
      /* parameter MUST have an attribute name. */
      return;
   }

   ast_asprintf(&internaltabs, "%s    ", tabs);
   if (!internaltabs) {
      return;
   }

   if (!hasarguments && xmldoc_has_nodes(node)) {
      ast_str_append(buffer, 0, "%s\n", paramname);
      ast_xml_free_attr(paramname);
      printed = 1;
   }

   for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
      if (!strcasecmp(ast_xml_node_get_name(node), "optionlist")) {
         xmldoc_parse_optionlist(node, internaltabs, buffer);
      } else if (!strcasecmp(ast_xml_node_get_name(node), "enumlist")) {
         xmldoc_parse_enumlist(node, internaltabs, buffer);
      } else if (!strcasecmp(ast_xml_node_get_name(node), "argument")) {
         xmldoc_parse_argument(node, 1, internaltabs, (!hasarguments ? "        " : ""), buffer);
      } else if (!strcasecmp(ast_xml_node_get_name(node), "para")) {
         if (!printed) {
            ast_str_append(buffer, 0, "%s\n", paramname);
            ast_xml_free_attr(paramname);
            printed = 1;
         }
         xmldoc_parse_para(node, internaltabs, "\n", buffer);
         continue;
      } else if ((xmldoc_parse_specialtags(node, internaltabs, "\n", buffer))) {
         continue;
      }
   }
   if (!printed) {
      ast_xml_free_attr(paramname);
   }
   ast_free(internaltabs);
}

static int xmldoc_parse_specialtags	(	struct ast_xml_node *	fixnode,
		const char *	tabs,
		const char *	posttabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1112 of file xmldoc.c.

References ARRAY_LEN, ast_str_append(), ast_strlen_zero(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), special_tags, and xmldoc_parse_para().

Referenced by xmldoc_get_formatted(), xmldoc_parse_argument(), xmldoc_parse_enum(), xmldoc_parse_option(), xmldoc_parse_parameter(), xmldoc_parse_variable(), and xmldoc_parse_variablelist().

{
   struct ast_xml_node *node = fixnode;
   int ret = 0, i, count = 0;

   if (!node || !ast_xml_node_get_children(node)) {
      return ret;
   }

   for (i = 0; i < ARRAY_LEN(special_tags); i++) {
      if (strcasecmp(ast_xml_node_get_name(node), special_tags[i].tagname)) {
         continue;
      }

      ret = 1;
      /* This is a special tag. */

      /* concat data */
      if (!ast_strlen_zero(special_tags[i].init)) {
         ast_str_append(buffer, 0, "%s%s", tabs, special_tags[i].init);
      }

      /* parse <para> elements inside special tags. */
      for (node = ast_xml_node_get_children(node); node; node = ast_xml_node_get_next(node)) {
         /* first <para> just print it without tabs at the begining. */
         if (xmldoc_parse_para(node, (!count ? "" : tabs), posttabs, buffer) == 2) {
            ret = 2;
         }
      }

      if (!ast_strlen_zero(special_tags[i].end)) {
         ast_str_append(buffer, 0, "%s%s", special_tags[i].end, posttabs);
      }

      break;
   }

   return ret;
}

static int xmldoc_parse_variable	(	struct ast_xml_node *	node,
		const char *	tabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1209 of file xmldoc.c.

References ast_free, ast_str_append(), ast_str_buffer(), ast_str_strlen(), ast_xml_free_attr(), ast_xml_free_text(), ast_xml_get_attribute(), ast_xml_get_text(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), xmldoc_parse_para(), xmldoc_parse_specialtags(), and xmldoc_string_cleanup().

Referenced by xmldoc_parse_variablelist().

{
   struct ast_xml_node *tmp;
   const char *valname;
   const char *tmptext;
   struct ast_str *cleanstr;
   int ret = 0, printedpara=0;

   for (tmp = ast_xml_node_get_children(node); tmp; tmp = ast_xml_node_get_next(tmp)) {
      if (xmldoc_parse_para(tmp, (ret ? tabs : ""), "\n", buffer)) {
         printedpara = 1;
         continue;
      } else if (xmldoc_parse_specialtags(tmp, (ret ? tabs : ""), "\n", buffer)) {
         printedpara = 1;
         continue;
      }

      if (strcasecmp(ast_xml_node_get_name(tmp), "value")) {
         continue;
      }

      /* Parse a <value> tag only. */
      if (!printedpara) {
         ast_str_append(buffer, 0, "\n");
         printedpara = 1;
      }
      /* Parse each <value name='valuename'>desciption</value> */
      valname = ast_xml_get_attribute(tmp, "name");
      if (valname) {
         ret = 1;
         ast_str_append(buffer, 0, "%s<value>%s</value>", tabs, valname);
         ast_xml_free_attr(valname);
      }
      tmptext = ast_xml_get_text(tmp);
      /* Check inside this node for any explanation about its meaning. */
      if (tmptext) {
         /* Cleanup text. */
         xmldoc_string_cleanup(tmptext, &cleanstr, 1);
         ast_xml_free_text(tmptext);
         if (cleanstr && ast_str_strlen(cleanstr) > 0) {
            ast_str_append(buffer, 0, ":%s", ast_str_buffer(cleanstr));
         }
         ast_free(cleanstr);
      }
      ast_str_append(buffer, 0, "\n");
   }

   return ret;
}

static int xmldoc_parse_variablelist	(	struct ast_xml_node *	node,
		const char *	tabs,
		struct ast_str **	buffer
	)			[static]

Definition at line 1270 of file xmldoc.c.

References ast_asprintf, ast_free, ast_str_append(), ast_xml_free_attr(), ast_xml_get_attribute(), ast_xml_node_get_children(), ast_xml_node_get_name(), ast_xml_node_get_next(), xmldoc_parse_para(), xmldoc_parse_specialtags(), and xmldoc_parse_variable().

Referenced by xmldoc_get_formatted(), and xmldoc_parse_option().

{
   struct ast_xml_node *tmp;
   const char *varname;
   char *vartabs;
   int ret = 0;

   if (!node || !ast_xml_node_get_children(node)) {
      return ret;
   }

   if (strcasecmp(ast_xml_node_get_name(node), "variablelist")) {
      return ret;
   }

   /* use this spacing (add 4 spaces) inside a variablelist node. */
   ast_asprintf(&vartabs, "%s    ", tabs);
   if (!vartabs) {
      return ret;
   }
   for (tmp = ast_xml_node_get_children(node); tmp; tmp = ast_xml_node_get_next(tmp)) {
      /* We can have a <para> element inside the variable list */
      if ((xmldoc_parse_para(tmp, (ret ? tabs : ""), "\n", buffer))) {
         ret = 1;
         continue;
      } else if ((xmldoc_parse_specialtags(tmp, (ret ? tabs : ""), "\n", buffer))) {
         ret = 1;
         continue;
      }

      if (!strcasecmp(ast_xml_node_get_name(tmp), "variable")) {
         /* Store the variable name in buffer. */
         varname = ast_xml_get_attribute(tmp, "name");
         if (varname) {
            ast_str_append(buffer, 0, "%s<variable>%s</variable>: ", tabs, varname);
            ast_xml_free_attr(varname);
            /* Parse the <variable> possible values. */
            xmldoc_parse_variable(tmp, vartabs, buffer);
            ret = 1;
         }
      }
   }

   ast_free(vartabs);

   return ret;
}

static int xmldoc_postbrlen

(

const char *

postbr

)

[static]

Definition at line 109 of file xmldoc.c.

Referenced by xmldoc_string_wrap().

{
   int postbrreallen = 0, i;
   size_t postbrlen;

   if (!postbr) {
      return 0;
   }
   postbrlen = strlen(postbr);
   for (i = 0; i < postbrlen; i++) {
      if (postbr[i] == '\t') {
         postbrreallen += 8 - (postbrreallen % 8);
      } else {
         postbrreallen++;
      }
   }
   return postbrreallen;
}

static void xmldoc_reverse_helper	(	int	reverse,
		int *	len,
		char **	syntax,
		const char *	fmt,
			...
	)			[static]

Definition at line 513 of file xmldoc.c.

References ast_free, ast_realloc, and ast_vasprintf.

Referenced by xmldoc_get_syntax_fun().

{
   int totlen, tmpfmtlen;
   char *tmpfmt, tmp;
   va_list ap;

   va_start(ap, fmt);
   if (ast_vasprintf(&tmpfmt, fmt, ap) < 0) {
      va_end(ap);
      return;
   }
   va_end(ap);

   tmpfmtlen = strlen(tmpfmt);
   totlen = *len + tmpfmtlen + 1;

   *syntax = ast_realloc(*syntax, totlen);

   if (!*syntax) {
      ast_free(tmpfmt);
      return;
   }

   if (reverse) {
      memmove(*syntax + tmpfmtlen, *syntax, *len);
      /* Save this char, it will be overwritten by the \0 of strcpy. */
      tmp = (*syntax)[0];
      strcpy(*syntax, tmpfmt);
      /* Restore the already saved char. */
      (*syntax)[tmpfmtlen] = tmp;
      (*syntax)[totlen - 1] = '\0';
   } else {
      strcpy(*syntax + *len, tmpfmt);
   }

   *len = totlen - 1;
   ast_free(tmpfmt);
}

static void xmldoc_setpostbr	(	char *	postbr,
		size_t	len,
		const char *	text
	)			[static]

Definition at line 135 of file xmldoc.c.

Referenced by xmldoc_string_wrap().

{
   int c, postbrlen = 0;

   if (!text) {
      return;
   }

   for (c = 0; c < len; c++) {
      if (text[c] == '\t' || text[c] == ' ') {
         postbr[postbrlen++] = text[c];
      } else {
         break;
      }
   }
   postbr[postbrlen] = '\0';
}

static void xmldoc_string_cleanup	(	const char *	text,
		struct ast_str **	output,
		int	lastspaces
	)			[static]

Definition at line 419 of file xmldoc.c.

References ast_log(), ast_str_append(), ast_str_create(), ast_str_trim_blanks(), and LOG_ERROR.

Referenced by xmldoc_get_formatted(), xmldoc_parse_para(), and xmldoc_parse_variable().

{
   int i;
   size_t textlen;

   if (!text) {
      *output = NULL;
      return;
   }

   textlen = strlen(text);

   *output = ast_str_create(textlen);
   if (!(*output)) {
      ast_log(LOG_ERROR, "Problem allocating output buffer\n");
      return;
   }

   for (i = 0; i < textlen; i++) {
      if (text[i] == '\n' || text[i] == '\r') {
         /* remove spaces/tabs/\n after a \n. */
         while (text[i + 1] == '\t' || text[i + 1] == '\r' || text[i + 1] == '\n') {
            i++;
         }
         ast_str_append(output, 0, " ");
         continue;
      } else {
         ast_str_append(output, 0, "%c", text[i]);
      }
   }

   /* remove last spaces (we dont want always to remove the trailing spaces). */
   if (lastspaces) {
      ast_str_trim_blanks(*output);
   }
}

static char* xmldoc_string_wrap	(	const char *	text,
		int	columns,
		int	maxdiff
	)			[static]

Definition at line 232 of file xmldoc.c.

References ast_free, ast_log(), ast_str_append(), ast_str_buffer(), ast_str_create(), ast_str_truncate(), ast_strdup, ESC, LOG_WARNING, xmldoc_foundspace_backward(), xmldoc_postbrlen(), xmldoc_setpostbr(), and xmldoc_wait_nextspace().

Referenced by ast_xmldoc_printable().

{
   struct ast_str *tmp;
   char *ret, postbr[160];
   int count = 1, i, backspace, needtobreak = 0, colmax, textlen;

   /* sanity check */
   if (!text || columns <= 0 || maxdiff < 0) {
      ast_log(LOG_WARNING, "Passing wrong arguments while trying to wrap the text\n");
      return NULL;
   }

   tmp = ast_str_create(strlen(text) * 3);

   if (!tmp) {
      return NULL;
   }

   /* Check for blanks and tabs and put them in postbr. */
   xmldoc_setpostbr(postbr, sizeof(postbr), text);
   colmax = columns - xmldoc_postbrlen(postbr);

   textlen = strlen(text);
   for (i = 0; i < textlen; i++) {
      if (needtobreak || !(count % colmax)) {
         if (text[i] == ' ') {
            ast_str_append(&tmp, 0, "\n%s", postbr);
            needtobreak = 0;
            count = 1;
         } else if (text[i] != '\n') {
            needtobreak = 1;
            if (xmldoc_wait_nextspace(text, i, maxdiff)) {
               /* wait for the next space */
               ast_str_append(&tmp, 0, "%c", text[i]);
               continue;
            }
            /* Try to look backwards */
            backspace = xmldoc_foundspace_backward(text, i, maxdiff);
            if (backspace) {
               needtobreak = 1;
               ast_str_truncate(tmp, -backspace);
               i -= backspace + 1;
               continue;
            }
            ast_str_append(&tmp, 0, "\n%s", postbr);
            needtobreak = 0;
            count = 1;
         }
         /* skip blanks after a \n */
         while (text[i] == ' ') {
            i++;
         }
      }
      if (text[i] == '\n') {
         xmldoc_setpostbr(postbr, sizeof(postbr), &text[i] + 1);
         colmax = columns - xmldoc_postbrlen(postbr);
         needtobreak = 0;
         count = 1;
      }
      if (text[i] == ESC) {
         /* Ignore Escape sequences. */
         do {
            ast_str_append(&tmp, 0, "%c", text[i]);
            i++;
         } while (i < textlen && text[i] != 'm');
      } else {
         count++;
      }
      ast_str_append(&tmp, 0, "%c", text[i]);
   }

   ret = ast_strdup(ast_str_buffer(tmp));
   ast_free(tmp);

   return ret;
}

static void xmldoc_unload_documentation

(

void

)

[static]

Close and unload XML documentation.

Definition at line 1751 of file xmldoc.c.

References ast_free, AST_RWLIST_REMOVE_HEAD, AST_RWLIST_UNLOCK, AST_RWLIST_WRLOCK, ast_xml_close(), ast_xml_finish(), documentation_tree::doc, documentation_tree::entry, and documentation_tree::filename.

Referenced by ast_xmldoc_load_documentation().

{
        struct documentation_tree *doctree;

   AST_RWLIST_WRLOCK(&xmldoc_tree);
   while ((doctree = AST_RWLIST_REMOVE_HEAD(&xmldoc_tree, entry))) {
      ast_free(doctree->filename);
      ast_xml_close(doctree->doc);
   }
   AST_RWLIST_UNLOCK(&xmldoc_tree);

   ast_xml_finish();
}

static int xmldoc_wait_nextspace	(	const char *	text,
		int	currentpos,
		int	maxdiff
	)			[static]

Definition at line 163 of file xmldoc.c.

References ESC.

Referenced by xmldoc_string_wrap().

{
   int i, textlen;

   if (!text) {
      return 0;
   }

   textlen = strlen(text);
   for (i = currentpos; i < textlen; i++) {
      if (text[i] == ESC) {
         /* Move to the end of the escape sequence */
         while (i < textlen && text[i] != 'm') {
            i++;
         }
      } else if (text[i] == ' ' || text[i] == '\n') {
         /* Found the next space or linefeed */
         return 1;
      } else if (i - currentpos > maxdiff) {
         /* We have looked the max distance and didn't find it */
         return 0;
      }
   }

   /* Reached the end and did not find it */

   return 0;
}

---

Variable Documentation

struct strcolorized_tags colorized_tags[] [static]

Referenced by ast_xmldoc_printable().

const char default_documentation_language[] = "en_US" [static]

Default documentation language.

Definition at line 39 of file xmldoc.c.

char documentation_language[6] [static]

XML documentation language.

Definition at line 51 of file xmldoc.c.

struct strspecial_tags special_tags[] [static]

Referenced by xmldoc_has_specialtags(), and xmldoc_parse_specialtags().

struct strsyntaxtype stxtype[]

Mapping between type of node and type of syntax to generate.

Referenced by xmldoc_get_syntax_type().

const int xmldoc_max_diff = 5 [static]

This is a value that we will use to let the wrapping mechanism move the cursor backward and forward xmldoc_max_diff positions before cutting the middle of a word, trying to find a space or a
.

Definition at line 48 of file xmldoc.c.

const int xmldoc_text_columns = 74 [static]

Number of columns to print when showing the XML documentation with a 'core show application/function *' CLI command. Used in text wrapping.

Definition at line 43 of file xmldoc.c.