/**
* \brief returns base path for given tile
*
* \param tile the tile to get base path from
* \param path pointer to a char* that will contain the filename
* \private \memberof mapcache_cache_disk
*/
static void _mapcache_cache_disk_base_tile_key(mapcache_context *ctx, mapcache_tile *tile, char **path) {
*path = apr_pstrcat(ctx->pool,
((mapcache_cache_disk*)tile->tileset->cache)->base_directory,"/",
tile->tileset->name,"/",
tile->grid_link->grid->name,
NULL);
if(tile->dimensions) {
const apr_array_header_t *elts = apr_table_elts(tile->dimensions);
int i = elts->nelts;
while(i--) {
apr_table_entry_t *entry = &(APR_ARRAY_IDX(elts,i,apr_table_entry_t));
const char *dimval = mapcache_util_str_sanitize(ctx->pool,entry->val,"/.",'#');
*path = apr_pstrcat(ctx->pool,*path,"/",dimval,NULL);
}
}
}
/**
* \brief return filename for given tile
*
* \param tile the tile to get the key from
* \param path pointer to a char* that will contain the filename
* \param r
* \private \memberof mapcache_cache_tiff
*/
static void _mapcache_cache_tiff_tile_key(mapcache_context *ctx, mapcache_cache_tiff *cache, mapcache_tile *tile, char **path)
{
if( cache->storage.type == MAPCACHE_TIFF_STORAGE_REST ) {
*path = apr_pstrcat(ctx->pool, "/vsicurl/", cache->filename_template, NULL);
}
else if( cache->storage.type == MAPCACHE_TIFF_STORAGE_GOOGLE &&
strncmp(cache->filename_template,
"https://storage.googleapis.com/",
strlen("https://storage.googleapis.com/")) == 0) {
*path = apr_pstrcat(ctx->pool, "/vsigs/",
cache->filename_template +
strlen("https://storage.googleapis.com/"), NULL);
}
else {
*path = apr_pstrdup(ctx->pool, cache->filename_template);
}
/*
* generic template substitutions
*/
if(strstr(*path,"{tileset}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{tileset}",
tile->tileset->name);
if(strstr(*path,"{grid}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{grid}",
tile->grid_link->grid->name);
if(tile->dimensions && strstr(*path,"{dim")) {
char *dimstring="";
int i = tile->dimensions->nelts;
while(i--) {
mapcache_requested_dimension *rdim = APR_ARRAY_IDX(tile->dimensions,i,mapcache_requested_dimension*);
const char *dimval = mapcache_util_str_sanitize(ctx->pool,rdim->cached_value,"/.",'#');
char *dim_key = apr_pstrcat(ctx->pool,"{dim:",rdim->dimension->name,"}",NULL);
dimstring = apr_pstrcat(ctx->pool,dimstring,"#",dimval,NULL);
if(strstr(*path,dim_key)) {
*path = mapcache_util_str_replace(ctx->pool,*path, dim_key, dimval);
}
}
*path = mapcache_util_str_replace(ctx->pool,*path, "{dim}", dimstring);
}
/**
* \brief return filename for given tile
*
* \param tile the tile to get the key from
* \param path pointer to a char* that will contain the filename
* \param r
* \private \memberof mapcache_cache_tiff
*/
static void _mapcache_cache_tiff_tile_key(mapcache_context *ctx, mapcache_tile *tile, char **path) {
mapcache_cache_tiff *dcache = (mapcache_cache_tiff*)tile->tileset->cache;
*path = dcache->filename_template;
/*
* generic template substitutions
*/
if(strstr(*path,"{tileset}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{tileset}",
tile->tileset->name);
if(strstr(*path,"{grid}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{grid}",
tile->grid_link->grid->name);
if(tile->dimensions && strstr(*path,"{dim}")) {
char *dimstring="";
const apr_array_header_t *elts = apr_table_elts(tile->dimensions);
int i = elts->nelts;
while(i--) {
apr_table_entry_t *entry = &(APR_ARRAY_IDX(elts,i,apr_table_entry_t));
const char *dimval = mapcache_util_str_sanitize(ctx->pool,entry->val,"/.",'#');
dimstring = apr_pstrcat(ctx->pool,dimstring,"#",dimval,NULL);
}
*path = mapcache_util_str_replace(ctx->pool,*path, "{dim}", dimstring);
}
while(strstr(*path,"{z}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{z}",
apr_psprintf(ctx->pool,dcache->z_fmt,tile->z));
/*
* x and y replacing, when the tiff files are numbered with an increasing
* x,y scheme (adjacent tiffs have x-x'=1 or y-y'=1
*/
while(strstr(*path,"{div_x}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{div_x}",
apr_psprintf(ctx->pool,dcache->div_x_fmt,tile->x/dcache->count_x));
while(strstr(*path,"{div_y}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{div_y}",
apr_psprintf(ctx->pool,dcache->div_y_fmt,tile->y/dcache->count_y));
while(strstr(*path,"{inv_div_y}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{inv_div_y}",
apr_psprintf(ctx->pool,dcache->inv_div_y_fmt,(tile->grid_link->grid->levels[tile->z]->maxy - tile->y - 1)/dcache->count_y));
while(strstr(*path,"{inv_div_x}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{inv_div_x}",
apr_psprintf(ctx->pool,dcache->inv_div_x_fmt,(tile->grid_link->grid->levels[tile->z]->maxx - tile->x - 1)/dcache->count_x));
/*
* x and y replacing, when the tiff files are numbered with the index
* of their bottom-left tile
* adjacent tiffs have x-x'=count_x or y-y'=count_y
*/
while(strstr(*path,"{x}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{x}",
apr_psprintf(ctx->pool,dcache->x_fmt,tile->x/dcache->count_x*dcache->count_x));
while(strstr(*path,"{y}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{y}",
apr_psprintf(ctx->pool,dcache->y_fmt,tile->y/dcache->count_y*dcache->count_y));
while(strstr(*path,"{inv_y}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{inv_y}",
apr_psprintf(ctx->pool,dcache->inv_y_fmt,(tile->grid_link->grid->levels[tile->z]->maxy - tile->y - 1)/dcache->count_y*dcache->count_y));
while(strstr(*path,"{inv_x}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{inv_x}",
apr_psprintf(ctx->pool,dcache->inv_x_fmt,(tile->grid_link->grid->levels[tile->z]->maxx - tile->x - 1)/dcache->count_x*dcache->count_y));
if(!*path) {
ctx->set_error(ctx,500, "failed to allocate tile key");
}
}
/**
* \brief return sqlite db filename for given tile
*
* \param tile the tile to get the key from
* \param path pointer to a char* that will contain the filename
* \param r
* \private \memberof mapcache_cache_sqlite
*/
static void _mapcache_cache_sqlite_filename_for_tile(mapcache_context *ctx, mapcache_cache_sqlite *dcache, mapcache_tile *tile, char **path)
{
*path = dcache->dbfile;
if(strstr(*path,"{")) {
/*
* generic template substitutions
*/
if(strstr(*path,"{tileset}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{tileset}",
tile->tileset->name);
if(strstr(*path,"{grid}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{grid}",
tile->grid_link->grid->name);
if(tile->dimensions && strstr(*path,"{dim}")) {
char *dimstring="";
const apr_array_header_t *elts = apr_table_elts(tile->dimensions);
int i = elts->nelts;
while(i--) {
apr_table_entry_t *entry = &(APR_ARRAY_IDX(elts,i,apr_table_entry_t));
const char *dimval = mapcache_util_str_sanitize(ctx->pool,entry->val,"/.",'#');
dimstring = apr_pstrcat(ctx->pool,dimstring,"#",dimval,NULL);
}
*path = mapcache_util_str_replace(ctx->pool,*path, "{dim}", dimstring);
}
while(strstr(*path,"{z}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{z}",
apr_psprintf(ctx->pool,dcache->z_fmt,tile->z));
if(dcache->count_x > 0) {
while(strstr(*path,"{div_x}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{div_x}",
apr_psprintf(ctx->pool,dcache->div_x_fmt,tile->x/dcache->count_x));
while(strstr(*path,"{inv_div_x}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{inv_div_x}",
apr_psprintf(ctx->pool,dcache->inv_div_x_fmt,(tile->grid_link->grid->levels[tile->z]->maxx - tile->x - 1)/dcache->count_x));
while(strstr(*path,"{x}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{x}",
apr_psprintf(ctx->pool,dcache->x_fmt,tile->x/dcache->count_x*dcache->count_x));
while(strstr(*path,"{inv_x}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{inv_x}",
apr_psprintf(ctx->pool,dcache->inv_x_fmt,(tile->grid_link->grid->levels[tile->z]->maxx - tile->x - 1)/dcache->count_x*dcache->count_x));
}
if(dcache->count_y > 0) {
while(strstr(*path,"{div_y}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{div_y}",
apr_psprintf(ctx->pool,dcache->div_y_fmt,tile->y/dcache->count_y));
while(strstr(*path,"{inv_div_y}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{inv_div_y}",
apr_psprintf(ctx->pool,dcache->inv_div_y_fmt,(tile->grid_link->grid->levels[tile->z]->maxy - tile->y - 1)/dcache->count_y));
while(strstr(*path,"{y}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{y}",
apr_psprintf(ctx->pool,dcache->y_fmt,tile->y/dcache->count_y*dcache->count_y));
while(strstr(*path,"{inv_y}"))
*path = mapcache_util_str_replace(ctx->pool,*path, "{inv_y}",
apr_psprintf(ctx->pool,dcache->inv_y_fmt,(tile->grid_link->grid->levels[tile->z]->maxy - tile->y - 1)/dcache->count_y*dcache->count_y));
}
}
if(!*path) {
ctx->set_error(ctx,500, "failed to allocate tile key");
}
}
