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mapfile.c
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mapfile.c
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/******************************************************************************
* $id: mapfile.c 7854 2008-08-14 19:22:48Z dmorissette $
*
* Project: MapServer
* Purpose: High level Map file parsing code.
* Author: Steve Lime and the MapServer team.
*
******************************************************************************
* Copyright (c) 1996-2005 Regents of the University of Minnesota.
*
* 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 of this Software or works derived from this 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.
****************************************************************************/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdarg.h>
#include <assert.h>
#include <ctype.h>
#include <float.h>
#include "mapserver.h"
#include "mapfile.h"
#include "mapthread.h"
#include "maptime.h"
#ifdef USE_GDAL
# include "cpl_conv.h"
# include "gdal.h"
#endif
extern int msyylex(void);
extern void msyyrestart(FILE *);
extern int msyylex_destroy(void);
extern double msyynumber;
extern int msyylineno;
extern FILE *msyyin;
extern int msyysource;
extern int msyystate;
extern char *msyystring;
extern char *msyybasepath;
extern int msyyreturncomments;
extern char *msyystring_buffer;
extern char msyystring_icase;
extern int loadSymbol(symbolObj *s, char *symbolpath); /* in mapsymbol.c */
extern void writeSymbol(symbolObj *s, FILE *stream); /* in mapsymbol.c */
static int loadGrid( layerObj *pLayer );
static int loadStyle(styleObj *style);
static void writeStyle(FILE* stream, int indent, styleObj *style);
static int resolveSymbolNames(mapObj *map);
static int loadExpression(expressionObj *exp);
static void writeExpression(FILE *stream, int indent, const char *name, expressionObj *exp);
/*
** Symbol to string static arrays needed for writing map files.
** Must be kept in sync with enumerations and defines found in mapserver.h.
*/
/* static char *msUnits[9]={"INCHES", "FEET", "MILES", "METERS", "KILOMETERS", "DD", "PIXELS", "PERCENTAGES", "NAUTICALMILES"}; */
/* static char *msLayerTypes[10]={"POINT", "LINE", "POLYGON", "RASTER", "ANNOTATION", "QUERY", "CIRCLE", "TILEINDEX","CHART"}; */
char *msPositionsText[MS_POSITIONS_LENGTH] = {"UL", "LR", "UR", "LL", "CR", "CL", "UC", "LC", "CC", "AUTO", "XY", "FOLLOW"}; /* msLabelPositions[] also used in mapsymbols.c (not static) */
/* static char *msBitmapFontSizes[5]={"TINY", "SMALL", "MEDIUM", "LARGE", "GIANT"}; */
/* static char *msQueryMapStyles[4]={"NORMAL", "HILITE", "SELECTED", "INVERTED"}; */
/* static char *msStatus[4]={"OFF", "ON", "DEFAULT", "EMBED"}; */
/* static char *msOnOff[2]={"OFF", "ON"}; */
/* static char *msTrueFalse[2]={"FALSE", "TRUE"}; */
/* static char *msYesNo[2]={"NO", "YES"}; */
/* static char *msJoinType[2]={"ONE-TO-ONE", "ONE-TO-MANY"}; */
/* static char *msAlignValue[3]={"LEFT","CENTER","RIGHT"}; */
/*
** Validates a string (value) against a series of patterns. We support up to four to allow cascading from classObj to
** layerObj to webObj plus a legacy pattern like TEMPLATEPATTERN.
*/
int msValidateParameter(char *value, char *pattern1, char *pattern2, char *pattern3, char *pattern4)
{
if(msEvalRegex(pattern1, value) == MS_TRUE) return MS_SUCCESS;
if(msEvalRegex(pattern2, value) == MS_TRUE) return MS_SUCCESS;
if(msEvalRegex(pattern3, value) == MS_TRUE) return MS_SUCCESS;
if(msEvalRegex(pattern4, value) == MS_TRUE) return MS_SUCCESS;
return(MS_FAILURE);
}
int msEvalRegex(const char *e, const char *s)
{
ms_regex_t re;
if(!e || !s) return(MS_FALSE);
if(ms_regcomp(&re, e, MS_REG_EXTENDED|MS_REG_NOSUB) != 0) {
msSetError(MS_REGEXERR, "Failed to compile expression (%s).", "msEvalRegex()", e);
return(MS_FALSE);
}
if(ms_regexec(&re, s, 0, NULL, 0) != 0) { /* no match */
ms_regfree(&re);
return(MS_FALSE);
}
ms_regfree(&re);
return(MS_TRUE);
}
#ifdef USE_MSFREE
void msFree(void *p)
{
if(p) free(p);
}
#endif
/*
** Free memory allocated for a character array
*/
void msFreeCharArray(char **array, int num_items)
{
int i;
if(!array) return;
for(i=0; i<num_items; i++)
msFree(array[i]);
msFree(array);
}
/*
** Checks symbol from lexer against variable length list of
** legal symbols.
*/
int getSymbol(int n, ...)
{
int symbol;
va_list argp;
int i=0;
symbol = msyylex();
va_start(argp, n);
while(i<n) { /* check each symbol in the list */
if(symbol == va_arg(argp, int)) {
va_end(argp);
return(symbol);
}
i++;
}
va_end(argp);
msSetError(MS_SYMERR, "Parsing error near (%s):(line %d)", "getSymbol()", msyystring_buffer, msyylineno);
return(-1);
}
/*
** Same as getSymbol, except no error message is set on failure
*/
int getSymbol2(int n, ...)
{
int symbol;
va_list argp;
int i=0;
symbol = msyylex();
va_start(argp, n);
while(i<n) { /* check each symbol in the list */
if(symbol == va_arg(argp, int)) {
va_end(argp);
return(symbol);
}
i++;
}
va_end(argp);
return(-1);
}
/*
** Get a string or symbol as a string. Operates like getString(), but also
** supports symbols.
*/
static char *getToken(void)
{
msyylex();
return msStrdup(msyystring_buffer);
}
/*
** Load a string from the map file. A "string" is defined in lexer.l.
*/
int getString(char **s)
{
/* if (*s)
msSetError(MS_SYMERR, "Duplicate item (%s):(line %d)", "getString()", msyystring_buffer, msyylineno);
return(MS_FAILURE);
} else */
if(msyylex() == MS_STRING) {
if(*s) free(*s); /* avoid leak */
*s = msStrdup(msyystring_buffer);
return(MS_SUCCESS);
}
msSetError(MS_SYMERR, "Parsing error near (%s):(line %d)", "getString()", msyystring_buffer, msyylineno);
return(MS_FAILURE);
}
/*
** Load a floating point number from the map file. (see lexer.l)
*/
int getDouble(double *d)
{
if(msyylex() == MS_NUMBER) {
*d = msyynumber;
return(0); /* success */
}
msSetError(MS_SYMERR, "Parsing error near (%s):(line %d)", "getDouble()", msyystring_buffer, msyylineno);
return(-1);
}
/*
** Load a integer from the map file. (see lexer.l)
*/
int getInteger(int *i)
{
if(msyylex() == MS_NUMBER) {
*i = (int)msyynumber;
return(0); /* success */
}
msSetError(MS_SYMERR, "Parsing error near (%s):(line %d)", "getInteger()", msyystring_buffer, msyylineno);
return(-1);
}
int getCharacter(char *c)
{
if(msyylex() == MS_STRING) {
*c = msyystring_buffer[0];
return(0);
}
msSetError(MS_SYMERR, "Parsing error near (%s):(line %d)", "getCharacter()", msyystring_buffer, msyylineno);
return(-1);
}
/*
** Try to load as an integer, then try as a named symbol.
** Part of work on bug 490.
*/
int getIntegerOrSymbol(int *i, int n, ...)
{
int symbol;
va_list argp;
int j=0;
symbol = msyylex();
if (symbol == MS_NUMBER) {
*i = (int)msyynumber;
return MS_SUCCESS; /* success */
}
va_start(argp, n);
while (j<n) { /* check each symbol in the list */
if(symbol == va_arg(argp, int)) {
va_end(argp);
*i = symbol;
return MS_SUCCESS;
}
j++;
}
va_end(argp);
msSetError(MS_SYMERR, "Parsing error near (%s):(line %d)",
"getIntegerOrSymbol()", msyystring_buffer, msyylineno);
return(-1);
}
/*
** msBuildPluginLibraryPath
**
** This function builds a path to be used dynamically to load plugin library.
*/
int msBuildPluginLibraryPath(char **dest, const char *lib_str, mapObj *map)
{
char szLibPath[MS_MAXPATHLEN] = { '\0' };
char szLibPathExt[MS_MAXPATHLEN] = { '\0' };
const char *plugin_dir = msLookupHashTable( &(map->configoptions), "MS_PLUGIN_DIR");
/* do nothing on windows, filename without .dll will be loaded by default*/
#if !defined(_WIN32)
if (lib_str) {
size_t len = strlen(lib_str);
if (3 < len && strcmp(lib_str + len-3, ".so")) {
strlcpy(szLibPathExt, lib_str, MS_MAXPATHLEN);
strlcat(szLibPathExt, ".so", MS_MAXPATHLEN);
lib_str = szLibPathExt;
}
}
#endif /* !defined(_WIN32) */
if (NULL == msBuildPath(szLibPath, plugin_dir, lib_str)) {
return MS_FAILURE;
}
*dest = msStrdup(szLibPath);
return MS_SUCCESS;
}
/*
** Returns the index of specified symbol or -1 if not found.
**
** If try_addimage_if_notfound==MS_TRUE then msAddImageSymbol() will be called
** to try to allocate the symbol as an image symbol.
*/
int msGetSymbolIndex(symbolSetObj *symbols, char *name, int try_addimage_if_notfound)
{
int i;
if(!symbols || !name) return(-1);
/* symbol 0 has no name */
for(i=1; i<symbols->numsymbols; i++) {
if(symbols->symbol[i]->name)
if(strcasecmp(symbols->symbol[i]->name, name) == 0) return(i);
}
if (try_addimage_if_notfound)
return(msAddImageSymbol(symbols, name)); /* make sure it's not a filename */
return(-1);
}
/*
** Return the index number for a given layer based on its name.
*/
int msGetLayerIndex(mapObj *map, const char *name)
{
int i;
if(!name) return(-1);
for(i=0; i<map->numlayers; i++) {
if(!GET_LAYER(map, i)->name) /* skip it */
continue;
if(strcmp(name, GET_LAYER(map, i)->name) == 0)
return(i);
}
return(-1);
}
static
int msGetClassIndex(layerObj *layer, const char *name)
{
int i;
if(!name) return(-1);
for(i=0; i<layer->numclasses; i++) {
if(!layer->class[i]->name) /* skip it */
continue;
if(strcmp(name, layer->class[i]->name) == 0)
return(i);
}
return(-1);
}
int loadColor(colorObj *color, attributeBindingObj *binding)
{
int symbol;
char hex[2];
if(binding) {
if((symbol = getSymbol(3, MS_NUMBER, MS_BINDING, MS_STRING)) == -1) return MS_FAILURE;
} else {
if((symbol = getSymbol(2, MS_NUMBER, MS_STRING)) == -1) return MS_FAILURE;
}
color->alpha=255;
if(symbol == MS_NUMBER) {
color->red = (int) msyynumber;
if(getInteger(&(color->green)) == -1) return MS_FAILURE;
if(getInteger(&(color->blue)) == -1) return MS_FAILURE;
} else if(symbol == MS_STRING) {
int len = strlen(msyystring_buffer);
if(msyystring_buffer[0] == '#' && (len == 7 || len == 9)) { /* got a hex color w/optional alpha */
hex[0] = msyystring_buffer[1];
hex[1] = msyystring_buffer[2];
color->red = msHexToInt(hex);
hex[0] = msyystring_buffer[3];
hex[1] = msyystring_buffer[4];
color->green = msHexToInt(hex);
hex[0] = msyystring_buffer[5];
hex[1] = msyystring_buffer[6];
color->blue = msHexToInt(hex);
if(len == 9) {
hex[0] = msyystring_buffer[7];
hex[1] = msyystring_buffer[8];
color->alpha = msHexToInt(hex);
}
} else {
/* TODO: consider named colors here */
msSetError(MS_SYMERR, "Invalid hex color (%s):(line %d)", "loadColor()", msyystring_buffer, msyylineno);
return MS_FAILURE;
}
} else {
binding->item = msStrdup(msyystring_buffer);
binding->index = -1;
}
return MS_SUCCESS;
}
#if ALPHACOLOR_ENABLED
int loadColorWithAlpha(colorObj *color)
{
char hex[2];
if(getInteger(&(color->red)) == -1) {
if(msyystring_buffer[0] == '#' && strlen(msyystring_buffer) == 7) { /* got a hex color */
hex[0] = msyystring_buffer[1];
hex[1] = msyystring_buffer[2];
color->red = msHexToInt(hex);
hex[0] = msyystring_buffer[3];
hex[1] = msyystring_buffer[4];
color->green = msHexToInt(hex);
hex[0] = msyystring_buffer[5];
hex[1] = msyystring_buffer[6];
color->blue = msHexToInt(hex);
color->alpha = 0;
return(MS_SUCCESS);
} else if(msyystring_buffer[0] == '#' && strlen(msyystring_buffer) == 9) { /* got a hex color with alpha */
hex[0] = msyystring_buffer[1];
hex[1] = msyystring_buffer[2];
color->red = msHexToInt(hex);
hex[0] = msyystring_buffer[3];
hex[1] = msyystring_buffer[4];
color->green = msHexToInt(hex);
hex[0] = msyystring_buffer[5];
hex[1] = msyystring_buffer[6];
color->blue = msHexToInt(hex);
hex[0] = msyystring_buffer[7];
hex[1] = msyystring_buffer[8];
color->alpha = msHexToInt(hex);
return(MS_SUCCESS);
}
return(MS_FAILURE);
}
if(getInteger(&(color->green)) == -1) return(MS_FAILURE);
if(getInteger(&(color->blue)) == -1) return(MS_FAILURE);
if(getInteger(&(color->alpha)) == -1) return(MS_FAILURE);
return(MS_SUCCESS);
}
#endif
/*
** Helper functions for writing mapfiles.
*/
static void writeLineFeed(FILE *stream)
{
msIO_fprintf(stream, "\n");
}
static void writeIndent(FILE *stream, int indent)
{
const char *str=" "; /* change this string to define the indent */
int i;
for(i=0; i<indent; i++) msIO_fprintf(stream, "%s", str);
}
static void writeBlockBegin(FILE *stream, int indent, const char *name)
{
writeIndent(stream, indent);
msIO_fprintf(stream, "%s\n", name);
}
static void writeBlockEnd(FILE *stream, int indent, const char *name)
{
writeIndent(stream, indent);
msIO_fprintf(stream, "END # %s\n", name);
}
static void writeKeyword(FILE *stream, int indent, const char *name, int value, int size, ...)
{
va_list argp;
int i, j=0;
const char *s;
va_start(argp, size);
while (j<size) { /* check each value/keyword mapping in the list, values with no match are ignored */
i = va_arg(argp, int);
s = va_arg(argp, const char *);
if(value == i) {
writeIndent(stream, ++indent);
msIO_fprintf(stream, "%s %s\n", name, s);
va_end(argp);
return;
}
j++;
}
va_end(argp);
}
static void writeDimension(FILE *stream, int indent, const char *name, int x, int y, char *bind_x, char *bind_y)
{
writeIndent(stream, ++indent);
if(bind_x) msIO_fprintf(stream, "%s [%s] ", name, bind_x);
else msIO_fprintf(stream, "%s %d ", name, x);
if(bind_y) msIO_fprintf(stream, "[%s]\n", bind_y);
else msIO_fprintf(stream, "%d\n", y);
}
static void writeDoubleRange(FILE *stream, int indent, const char *name, double x, double y)
{
writeIndent(stream, ++indent);
msIO_fprintf(stream, "%s %f %f\n", name, x, y);
}
static void writeExtent(FILE *stream, int indent, const char *name, rectObj extent)
{
if(!MS_VALID_EXTENT(extent)) return;
writeIndent(stream, ++indent);
msIO_fprintf(stream, "%s %.15g %.15g %.15g %.15g\n", name, extent.minx, extent.miny, extent.maxx, extent.maxy);
}
static void writeNumber(FILE *stream, int indent, const char *name, double defaultNumber, double number)
{
if(number == defaultNumber) return; /* don't output default */
writeIndent(stream, ++indent);
msIO_fprintf(stream, "%s %g\n", name, number);
}
static void writeCharacter(FILE *stream, int indent, const char *name, const char defaultCharacter, char character)
{
if(defaultCharacter == character) return;
writeIndent(stream, ++indent);
msIO_fprintf(stream, "%s '%c'\n", name, character);
}
static void writeStringElement(FILE *stream, char *string)
{
char *string_escaped;
if(strchr(string,'\\')) {
string_escaped = msStrdup(string);
string_escaped = msReplaceSubstring(string_escaped,"\\","\\\\");
} else {
string_escaped = string;
}
if ( (strchr(string_escaped, '\'') == NULL) && (strchr(string_escaped, '\"') == NULL))
msIO_fprintf(stream, "\"%s\"", string_escaped);
else if ( (strchr(string_escaped, '\"') != NULL) && (strchr(string_escaped, '\'') == NULL))
msIO_fprintf(stream, "'%s'", string_escaped);
else if ( (strchr(string_escaped, '\'') != NULL) && (strchr(string_escaped, '\"') == NULL))
msIO_fprintf(stream, "\"%s\"", string_escaped);
else {
char *string_tmp = msStringEscape(string_escaped);
msIO_fprintf(stream, "\"%s\"", string_tmp);
if(string_escaped!=string_tmp) free(string_tmp);
}
if(string_escaped!=string) free(string_escaped);
}
static void writeString(FILE *stream, int indent, const char *name, const char *defaultString, char *string)
{
if(!string) return;
if(defaultString && strcmp(string, defaultString) == 0) return;
writeIndent(stream, ++indent);
if(name) msIO_fprintf(stream, "%s ", name);
writeStringElement(stream, string);
writeLineFeed(stream);
}
static void writeNumberOrString(FILE *stream, int indent, const char *name, double defaultNumber, double number, char *string)
{
if(string)
writeString(stream, indent, name, NULL, string);
else
writeNumber(stream, indent, name, defaultNumber, number);
}
static void writeNumberOrKeyword(FILE *stream, int indent, const char *name, double defaultNumber, double number, int value, int size, ...)
{
va_list argp;
int i, j=0;
const char *s;
va_start(argp, size);
while (j<size) { /* check each value/keyword mapping in the list */
i = va_arg(argp, int);
s = va_arg(argp, const char *);
if(value == i) {
writeIndent(stream, ++indent);
msIO_fprintf(stream, "%s %s\n", name, s);
va_end(argp);
return;
}
j++;
}
va_end(argp);
writeNumber(stream, indent, name, defaultNumber, number);
}
static void writeNameValuePair(FILE *stream, int indent, const char *name, const char *value)
{
if(!name || !value) return;
writeIndent(stream, ++indent);
writeStringElement(stream, (char*)name);
msIO_fprintf(stream,"\t");
writeStringElement(stream, (char*)value);
writeLineFeed(stream);
}
static void writeAttributeBinding(FILE *stream, int indent, const char *name, attributeBindingObj *binding)
{
if(!binding || !binding->item) return;
writeIndent(stream, ++indent);
msIO_fprintf(stream, "%s [%s]\n", name, binding->item);
}
static void writeColor(FILE *stream, int indent, const char *name, colorObj *defaultColor, colorObj *color)
{
if (!defaultColor && !MS_VALID_COLOR(*color)) return;
else if(defaultColor && MS_COMPARE_COLOR(*defaultColor, *color)) return; /* if defaultColor has the same value than the color, return.*/
writeIndent(stream, ++indent);
#if ALPHACOLOR_ENABLED
msIO_fprintf(stream, "%s %d %d %d\n", name, color->red, color->green, color->blue, color->alpha);
#else
if(color->alpha != 255) {
char buffer[9];
sprintf(buffer, "%02x", color->red);
sprintf(buffer+2, "%02x", color->green);
sprintf(buffer+4, "%02x", color->blue);
sprintf(buffer+6, "%02x", color->alpha);
*(buffer+8) = 0;
msIO_fprintf(stream, "%s \"#%s\"\n", name, buffer);
} else {
msIO_fprintf(stream, "%s %d %d %d\n", name, color->red, color->green, color->blue);
}
#endif
}
/* todo: deal with alpha's... */
static void writeColorRange(FILE *stream, int indent, const char *name, colorObj *mincolor, colorObj *maxcolor)
{
if(!MS_VALID_COLOR(*mincolor) || !MS_VALID_COLOR(*maxcolor)) return;
writeIndent(stream, ++indent);
msIO_fprintf(stream, "%s %d %d %d %d %d %d\n", name, mincolor->red, mincolor->green, mincolor->blue, maxcolor->red, maxcolor->green, maxcolor->blue);
}
/*
** Initialize, load and free a single join
*/
void initJoin(joinObj *join)
{
join->numitems = 0;
join->name = NULL; /* unique join name, used for variable substitution */
join->items = NULL; /* array to hold item names for the joined table */
join->values = NULL; /* arrays of strings to holds one record worth of data */
join->table = NULL;
join->joininfo = NULL;
join->from = NULL; /* join items */
join->to = NULL;
join->header = NULL;
join->template = NULL; /* only html type templates are supported */
join->footer = NULL;
join->type = MS_JOIN_ONE_TO_ONE;
join->connection = NULL;
join->connectiontype = MS_DB_XBASE;
}
void freeJoin(joinObj *join)
{
msFree(join->name);
msFree(join->table);
msFree(join->from);
msFree(join->to);
msFree(join->header);
msFree(join->template);
msFree(join->footer);
msFreeCharArray(join->items, join->numitems); /* these may have been free'd elsewhere */
msFreeCharArray(join->values, join->numitems);
join->numitems = 0;
msJoinClose(join);
msFree(join->connection);
}
int loadJoin(joinObj *join)
{
int nTmp;
initJoin(join);
for(;;) {
switch(msyylex()) {
case(CONNECTION):
if(getString(&join->connection) == MS_FAILURE) return(-1);
break;
case(CONNECTIONTYPE):
if((nTmp = getSymbol(5, MS_DB_XBASE, MS_DB_MYSQL, MS_DB_ORACLE, MS_DB_POSTGRES, MS_DB_CSV)) == -1) return(-1);
join->connectiontype = nTmp;
break;
case(EOF):
msSetError(MS_EOFERR, NULL, "loadJoin()");
return(-1);
case(END):
if((join->from == NULL) || (join->to == NULL) || (join->table == NULL)) {
msSetError(MS_EOFERR, "Join must define table, name, from and to properties.", "loadJoin()");
return(-1);
}
if((join->type == MS_MULTIPLE) && ((join->template == NULL) || (join->name == NULL))) {
msSetError(MS_EOFERR, "One-to-many joins must define template and name properties.", "loadJoin()");
return(-1);
}
return(0);
case(FOOTER):
if(getString(&join->footer) == MS_FAILURE) return(-1);
break;
case(FROM):
if(getString(&join->from) == MS_FAILURE) return(-1);
break;
case(HEADER):
if(getString(&join->header) == MS_FAILURE) return(-1);
break;
case(JOIN):
break; /* for string loads */
case(NAME):
if(getString(&join->name) == MS_FAILURE) return(-1);
break;
case(TABLE):
if(getString(&join->table) == MS_FAILURE) return(-1);
break;
case(TEMPLATE):
if(getString(&join->template) == MS_FAILURE) return(-1);
break;
case(TO):
if(getString(&join->to) == MS_FAILURE) return(-1);
break;
case(TYPE):
if((nTmp = getSymbol(2, MS_JOIN_ONE_TO_ONE, MS_JOIN_ONE_TO_MANY)) == -1) return(-1);
join->type = nTmp;
break;
default:
msSetError(MS_IDENTERR, "Parsing error near (%s):(line %d)", "loadJoin()", msyystring_buffer, msyylineno);
return(-1);
}
} /* next token */
}
static void writeScaleToken(FILE *stream, int indent, scaleTokenObj *token) {
int i;
indent++;
writeBlockBegin(stream,indent,"SCALETOKEN");
writeString(stream, indent, "NAME", NULL, token->name);
indent++;
writeBlockBegin(stream,indent,"VALUES");
for(i=0;i<token->n_entries;i++) {
char minscale[32];
sprintf(minscale,"%g",token->tokens[i].minscale);
writeNameValuePair(stream, indent, minscale, token->tokens[i].value);
}
writeBlockEnd(stream,indent,"VALUES");
indent--;
writeBlockEnd(stream,indent,"SCALETOKEN");
}
static void writeJoin(FILE *stream, int indent, joinObj *join)
{
indent++;
writeBlockBegin(stream, indent, "JOIN");
writeString(stream, indent, "FOOTER", NULL, join->footer);
writeString(stream, indent, "FROM", NULL, join->from);
writeString(stream, indent, "HEADER", NULL, join->header);
writeString(stream, indent, "NAME", NULL, join->name);
writeString(stream, indent, "TABLE", NULL, join->table);
writeString(stream, indent, "TEMPLATE", NULL, join->template);
writeString(stream, indent, "TO", NULL, join->to);
writeKeyword(stream, indent, "CONNECTIONTYPE", join->connectiontype, 3, MS_DB_CSV, "CSV", MS_DB_POSTGRES, "POSTRESQL", MS_DB_MYSQL, "MYSQL");
writeKeyword(stream, indent, "TYPE", join->type, 1, MS_JOIN_ONE_TO_MANY, "ONE-TO-MANY");
writeBlockEnd(stream, indent, "JOIN");
}
/* inserts a feature at the end of the list, can create a new list */
featureListNodeObjPtr insertFeatureList(featureListNodeObjPtr *list, shapeObj *shape)
{
featureListNodeObjPtr node;
node = (featureListNodeObjPtr) msSmallMalloc(sizeof(featureListNodeObj));
msInitShape(&(node->shape));
if(msCopyShape(shape, &(node->shape)) == -1) {
msFree(node);
return(NULL);
}
/* AJS - alans@wunderground.com O(n^2) -> O(n) conversion, keep a pointer to the end */
/* set the tailifhead to NULL, since it is only set for the head of the list */
node->tailifhead = NULL;
node->next = NULL;
/* if we are at the head of the list, we need to set the list to node, before pointing tailifhead somewhere */
if(*list == NULL) {
*list=node;
} else {
if((*list)->tailifhead!=NULL) /* this should never be NULL, but just in case */
(*list)->tailifhead->next=node; /* put the node at the end of the list */
}
/* repoint the head of the list to the end - our new element
this causes a loop if we are at the head, be careful not to
walk in a loop */
(*list)->tailifhead = node;
return(node); /* a pointer to last object in the list */
}
void freeFeatureList(featureListNodeObjPtr list)
{
featureListNodeObjPtr listNext = NULL;
while (list!=NULL) {
listNext = list->next;
msFreeShape(&(list->shape));
msFree(list);
list = listNext;
}
}
/* lineObj = multipointObj */
static int loadFeaturePoints(lineObj *points)
{
int buffer_size=0;
points->point = (pointObj *)malloc(sizeof(pointObj)*MS_FEATUREINITSIZE);
MS_CHECK_ALLOC(points->point, sizeof(pointObj)*MS_FEATUREINITSIZE, MS_FAILURE);
points->numpoints = 0;
buffer_size = MS_FEATUREINITSIZE;
for(;;) {
switch(msyylex()) {
case(EOF):
msSetError(MS_EOFERR, NULL, "loadFeaturePoints()");
return(MS_FAILURE);
case(END):
return(MS_SUCCESS);
case(MS_NUMBER):
if(points->numpoints == buffer_size) { /* just add it to the end */
points->point = (pointObj *) realloc(points->point, sizeof(pointObj)*(buffer_size+MS_FEATUREINCREMENT));
MS_CHECK_ALLOC(points->point, sizeof(pointObj)*(buffer_size+MS_FEATUREINCREMENT), MS_FAILURE);
buffer_size+=MS_FEATUREINCREMENT;
}
points->point[points->numpoints].x = atof(msyystring_buffer);
if(getDouble(&(points->point[points->numpoints].y)) == -1) return(MS_FAILURE);
points->numpoints++;
break;
default:
msSetError(MS_IDENTERR, "Parsing error near (%s):(line %d)", "loadFeaturePoints()", msyystring_buffer, msyylineno );
return(MS_FAILURE);
}
}
}
static int loadFeature(layerObj *player, int type)
{
int status=MS_SUCCESS;
featureListNodeObjPtr *list = &(player->features);
multipointObj points= {0,NULL};
shapeObj *shape=NULL;
shape = (shapeObj *) malloc(sizeof(shapeObj));
MS_CHECK_ALLOC(shape, sizeof(shapeObj), MS_FAILURE);
msInitShape(shape);
shape->type = type;
for(;;) {
switch(msyylex()) {
case(EOF):
msSetError(MS_EOFERR, NULL, "loadFeature()");
msFreeShape(shape); /* clean up */
msFree(shape);
return(MS_FAILURE);
case(END):
if(player->features != NULL && player->features->tailifhead != NULL)
shape->index = player->features->tailifhead->shape.index + 1;
else
shape->index = 0;
if(insertFeatureList(list, shape) == NULL)
status = MS_FAILURE;
msFreeShape(shape); /* clean up */
msFree(shape);
return(status);
case(FEATURE):
break; /* for string loads */
case(POINTS):
if(loadFeaturePoints(&points) == MS_FAILURE) {
msFreeShape(shape); /* clean up */
msFree(shape);
return(MS_FAILURE);
}
status = msAddLine(shape, &points);
msFree(points.point); /* clean up */
points.numpoints = 0;
if(status == MS_FAILURE) {
msFreeShape(shape); /* clean up */
msFree(shape);
return(MS_FAILURE);
}
break;
case(ITEMS): {
char *string=NULL;
if(getString(&string) == MS_FAILURE) {
msFreeShape(shape); /* clean up */
msFree(shape);
return(MS_FAILURE);
}
if (string) {
if(shape->values) msFreeCharArray(shape->values, shape->numvalues);
shape->values = msStringSplit(string, ';', &shape->numvalues);
msFree(string); /* clean up */
}
break;
}
case(TEXT):
if(getString(&shape->text) == MS_FAILURE) {
msFreeShape(shape); /* clean up */
msFree(shape);
return(MS_FAILURE);
}
break;
case(WKT): {
char *string=NULL;
/* todo, what do we do with multiple WKT property occurances? */
msFreeShape(shape);
msFree(shape);
if(getString(&string) == MS_FAILURE) return(MS_FAILURE);
if((shape = msShapeFromWKT(string)) == NULL)
status = MS_FAILURE;
msFree(string); /* clean up */
if(status == MS_FAILURE) {
msFreeShape(shape); /* clean up */
msFree(shape);
return(MS_FAILURE);
}
break;
}
default:
msSetError(MS_IDENTERR, "Parsing error near (%s):(line %d)", "loadfeature()", msyystring_buffer, msyylineno);
msFreeShape(shape); /* clean up */
msFree(shape);
return(MS_FAILURE);
}
} /* next token */
}