src/tools/tResourceManager.cpp File Reference

#include "aa_config.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <libxml/nanohttp.h>
#include "tConfiguration.h"
#include "tDirectories.h"
#include "tResourceManager.h"
#include "tString.h"

Include dependency graph for tResourceManager.cpp:

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Functions
static int	myHTTPFetch (const char *URI, const char *filename, const char *savepath)
static int	myFetch (const char *URIs, const char *filename, const char *savepath)
static void	RInclude (std::istream &s)
static bool	st_checkAuthor (tString const &Author)
static bool	st_checkCategory (tString const &Category)
static bool	st_checkName (tString const &Name)
static bool	st_checkExtension (tString const &Extension)
static bool	st_checkType (tString const &Type)
static bool	st_checkVersion (tString const &Version)
Variables
static tSettingItem< tString >	conf_res_repo ("RESOURCE_REPOSITORY_CLIENT", tResourceManager::AccessRepoClient())
static tConfItemFunc	s_RInclude ("RINCLUDE",&RInclude)

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Function Documentation

static int myFetch	(	const char *	URIs,
		const char *	filename,
		const char *	savepath
	)			[static]

Definition at line 98 of file tResourceManager.cpp.

References free, malloc, myHTTPFetch(), and rv.

Referenced by tResourceManager::locateResource().

                                                                                 {
    const char *r = URIs, *p, *n;
    char *u;
    size_t len;
    int rv = -1;
    // r = unprocessed data             p = end-of-item + 1             u = item
    // n = to-be r                              len = length of item    savepath = result filepath

    while (r[0] != '\0') {
        while (r[0] == ' ') ++r;                        // skip spaces at the start of the item
        (p = strchr(r, ';')) ? 0 : (p = strchr(r, '\0'));
        n = (p[0] == '\0') ? p : (p + 1);       // next item starts after the semicolon
        // NOTE: skip semicolons, *NOT* nulls
        while (p[-1] == ' ') --p;                       // skip spaces at the end of the item
        len = (size_t)(p - r);
        if (len > 0) {                                          // skip this for null-length items
            u = (char*)malloc((len + 1) * sizeof(char));
            strncpy(u, r, len);
            u[len] = '\0';                                      // u now contains the individual URI
            rv = myHTTPFetch(u, filename, savepath);    // TODO: handle other protocols?
            free(u);
            if (rv == 0) return 0;              // If successful, return the file retrieved
        }
        r = n;                                                          // move onto the next item
    }

    return rv;  // last error
}

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static int myHTTPFetch	(	const char *	URI,
		const char *	filename,
		const char *	savepath
	)			[static]

Definition at line 53 of file tResourceManager.cpp.

References con, fd, free, malloc, and NULL.

Referenced by myFetch().

{
    void *ctxt = NULL;
    char *buf = NULL;
    FILE* fd;
    int len, rc;

    con << tOutput( "$resource_downloading", URI );
    // con << "Downloading " << URI << "...\n";

    ctxt = xmlNanoHTTPOpen(URI, NULL);
    if (ctxt == NULL) {
        con << "ERROR: ctxt is NULL\n";
        return 1;
    }

    if ( (rc = xmlNanoHTTPReturnCode(ctxt)) != 200 ) {
        con << tOutput( rc == 404 ? "$resource_fetcherror_404" : "$resource_fetcherror", rc );
        return 2;
    }

    fd = fopen(savepath, "wb");
    if (fd < 0) {
        xmlNanoHTTPClose(ctxt);
        con << tOutput( "$resource_no_write", savepath );
        return 3;
    }

    //xmlNanoHTTPFetchContent( ctxt, &buf, &len );
    int maxlen = 10000;
    buf = (char*)malloc(maxlen);
    while( (len = xmlNanoHTTPRead(ctxt, buf, maxlen)) > 0 ) {
        fwrite(buf, len, 1, fd);
    }
    free(buf);

    xmlNanoHTTPClose(ctxt);
    fclose(fd);


    con << "OK\n";

    return 0;
}

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static void RInclude

(

std::istream &

s

)

[static]

Definition at line 228 of file tResourceManager.cpp.

References con, tConfItemBase::LoadAll(), tResourceManager::locateResource(), and NULL.

{
    tString file;
    s >> file;

    tString rclcl = tResourceManager::locateResource(NULL, file);
    if ( rclcl ) {
        std::ifstream rc(rclcl);
        tConfItemBase::LoadAll(rc);
        return;
    }

    con << tOutput( "$config_rinclude_not_found", file );
}

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static bool st_checkAuthor

(

tString const &

Author

)

[static]

Definition at line 245 of file tResourceManager.cpp.

References tERR_WARN.

Referenced by tResourcePath::tResourcePath().

                                                  {
    if(Author.empty() || Author[0] < 'A' || Author[0] > 'z' || Author[0] > 'Z' && Author[0] < 'a' || Author.find('/') != tString::npos) {
        tERR_WARN("Resource authors must start with a letter and may not contain slashes");
        return false;
    }
    return true;
}

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static bool st_checkCategory

(

tString const &

Category

)

[static]

Definition at line 252 of file tResourceManager.cpp.

References tERR_WARN.

Referenced by tResourcePath::tResourcePath().

                                                      {
    if(Category[0] == '/' || *Category.rbegin() == '/' || Category.find("/.") != tString::npos) {
        tERR_WARN("Resource categories must not start or end with a slash or dot or contain the sequence \"./\".");
        return false;
    }
    return true;
}

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static bool st_checkExtension

(

tString const &

Extension

)

[static]

Definition at line 266 of file tResourceManager.cpp.

References tERR_WARN.

Referenced by tResourcePath::tResourcePath().

                                                        {
    if(Extension.empty() || Extension.find_first_of("/.") != tString::npos) {
        tERR_WARN("Resource extensions must not contain slashes or dots");
        return false;
    }
    return true;
}

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static bool st_checkName

(

tString const &

Name

)

[static]

Definition at line 259 of file tResourceManager.cpp.

References tERR_WARN.

Referenced by tResourcePath::tResourcePath().

                                              {
    if(Name.empty() || Name[0] == '.' || Name.find_first_of("-/") != tString::npos) {
        tERR_WARN("Resource names must not start with a dot or contain slashes or minus signs");
        return false;
    }
    return true;
}

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static bool st_checkType

(

tString const &

Type

)

[static]

Definition at line 273 of file tResourceManager.cpp.

References tERR_WARN.

Referenced by tResourcePath::tResourcePath().

                                              {
    if(Type.empty() || Type.find_first_of("/.") != tString::npos) {
        tERR_WARN("Resource types must not contain slashes or dots");
        return false;
    }
    return true;
}

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static bool st_checkVersion

(

tString const &

Version

)

[static]

Definition at line 280 of file tResourceManager.cpp.

References tERR_WARN.

Referenced by tResourcePath::tResourcePath().

                                                    {
    if(Version.empty() || Version.find('/') != tString::npos) {
        tERR_WARN("Resource versions must not contain slashes");
        return false;
    }
    return true;
}

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Variable Documentation

tSettingItem<tString> conf_res_repo("RESOURCE_REPOSITORY_CLIENT", tResourceManager::AccessRepoClient()) [static]

tConfItemFunc s_RInclude("RINCLUDE",&RInclude) [static]

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