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Modif dans le parsing IFC suppressions des espaces avant traitement de la chaine

pull/261/head
guillaume 2014-01-15 17:12:04 +01:00 committed by Léo Terziman
parent e6c5095e5b
commit 8267d93537
5 changed files with 1215 additions and 1251 deletions
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1938
code/IFCLoader.cpp
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File diff suppressed because it is too large Load Diff

476
code/LineSplitter.h
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@ -1,242 +1,238 @@
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2012, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file LineSplitter.h
* @brief LineSplitter, a helper class to iterate through all lines
* of a file easily. Works with StreamReader.
*/
#ifndef INCLUDED_LINE_SPLITTER_H
#define INCLUDED_LINE_SPLITTER_H
#include <stdexcept>
#include "StreamReader.h"
#include "ParsingUtils.h"
namespace Assimp {
// ------------------------------------------------------------------------------------------------
/** Usage:
@code
for(LineSplitter splitter(stream);splitter;++splitter) {
if (*splitter == "hi!") {
...
}
else if (splitter->substr(0,5) == "hello") {
...
// access the third token in the line (tokens are space-separated)
if (strtol(splitter[2]) > 5) { .. }
}
std::cout << "Current line is: " << splitter.get_index() << std::endl;
}
@endcode */
// ------------------------------------------------------------------------------------------------
class LineSplitter
{
public:
typedef size_t line_idx;
public:
// -----------------------------------------
/** construct from existing stream reader
note: trim is *always* assumed true if skyp_empty_lines==true
*/
LineSplitter(StreamReaderLE& stream, bool skip_empty_lines = true, bool trim = true)
: stream(stream)
, swallow()
, skip_empty_lines(skip_empty_lines)
, trim(trim)
{
cur.reserve(1024);
operator++();
idx = 0;
}
public:
// -----------------------------------------
/** pseudo-iterator increment */
LineSplitter& operator++() {
if(swallow) {
swallow = false;
return *this;
}
if (!*this) {
throw std::logic_error("End of file, no more lines to be retrieved.");
}
char s;
cur.clear();
while(stream.GetRemainingSize() && (s = stream.GetI1(),1)) {
if (s == '\n' || s == '\r') {
if (skip_empty_lines) {
while (stream.GetRemainingSize() && ((s = stream.GetI1()) == ' ' || s == '\r' || s == '\n'));
if (stream.GetRemainingSize()) {
stream.IncPtr(-1);
}
}
else {
// skip both potential line terminators but don't read past this line.
if (stream.GetRemainingSize() && (s == '\r' && stream.GetI1() != '\n')) {
stream.IncPtr(-1);
}
if (trim) {
while (stream.GetRemainingSize() && ((s = stream.GetI1()) == ' ' || s == '\t'));
if (stream.GetRemainingSize()) {
stream.IncPtr(-1);
}
}
}
break;
}
cur += s;
}
++idx;
return *this;
}
// -----------------------------------------
LineSplitter& operator++(int) {
return ++(*this);
}
// -----------------------------------------
/** get a pointer to the beginning of a particular token */
const char* operator[] (size_t idx) const {
const char* s = operator->()->c_str();
Copyright (c) 2006-2012, assimp team
All rights reserved.
SkipSpaces(&s);
for(size_t i = 0; i < idx; ++i) {
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file LineSplitter.h
* @brief LineSplitter, a helper class to iterate through all lines
* of a file easily. Works with StreamReader.
*/
#ifndef INCLUDED_LINE_SPLITTER_H
#define INCLUDED_LINE_SPLITTER_H
#include <stdexcept>
#include "StreamReader.h"
#include "ParsingUtils.h"
namespace Assimp {
// ------------------------------------------------------------------------------------------------
/** Usage:
@code
for(LineSplitter splitter(stream);splitter;++splitter) {
if (*splitter == "hi!") {
...
}
else if (splitter->substr(0,5) == "hello") {
...
// access the third token in the line (tokens are space-separated)
if (strtol(splitter[2]) > 5) { .. }
}
std::cout << "Current line is: " << splitter.get_index() << std::endl;
}
@endcode */
// ------------------------------------------------------------------------------------------------
class LineSplitter
{
public:
typedef size_t line_idx;
public:
// -----------------------------------------
/** construct from existing stream reader
note: trim is *always* assumed true if skyp_empty_lines==true
*/
LineSplitter(StreamReaderLE& stream, bool skip_empty_lines = true, bool trim = true)
: stream(stream)
, swallow()
, skip_empty_lines(skip_empty_lines)
, trim(trim)
{
cur.reserve(1024);
operator++();
idx = 0;
}
public:
// -----------------------------------------
/** pseudo-iterator increment */
LineSplitter& operator++() {
if(swallow) {
swallow = false;
return *this;
}
if (!*this) {
throw std::logic_error("End of file, no more lines to be retrieved.");
}
char s;
cur.clear();
while(stream.GetRemainingSize() && (s = stream.GetI1(),1)) {
if (s == '\n' || s == '\r') {
if (skip_empty_lines) {
while (stream.GetRemainingSize() && ((s = stream.GetI1()) == ' ' || s == '\r' || s == '\n'));
if (stream.GetRemainingSize()) {
stream.IncPtr(-1);
}
}
else {
// skip both potential line terminators but don't read past this line.
if (stream.GetRemainingSize() && (s == '\r' && stream.GetI1() != '\n')) {
stream.IncPtr(-1);
}
if (trim) {
while (stream.GetRemainingSize() && ((s = stream.GetI1()) == ' ' || s == '\t'));
if (stream.GetRemainingSize()) {
stream.IncPtr(-1);
}
}
}
break;
}
cur += s;
}
++idx;
return *this;
}
// -----------------------------------------
LineSplitter& operator++(int) {
return ++(*this);
}
// -----------------------------------------
/** get a pointer to the beginning of a particular token */
const char* operator[] (size_t idx) const {
const char* s = operator->()->c_str();
SkipSpaces(&s);
for(size_t i = 0; i < idx; ++i) {
for(;!IsSpace(*s); ++s) {
if(IsLineEnd(*s)) {
throw std::range_error("Token index out of range, EOL reached");
}
}
SkipSpaces(&s);
}
return s;
}
// -----------------------------------------
/** extract the start positions of N tokens from the current line*/
template <size_t N>
void get_tokens(const char* (&tokens)[N]) const {
const char* s = operator->()->c_str();
SkipSpaces(&s);
for(size_t i = 0; i < N; ++i) {
if(IsLineEnd(*s)) {
throw std::range_error("Token count out of range, EOL reached");
}
tokens[i] = s;
for(;*s && !IsSpace(*s); ++s);
SkipSpaces(&s);
}
}
// -----------------------------------------
/** member access */
const std::string* operator -> () const {
return &cur;
}
std::string operator* () const {
return cur;
}
// -----------------------------------------
/** boolean context */
operator bool() const {
return stream.GetRemainingSize()>0;
}
// -----------------------------------------
/** line indices are zero-based, empty lines are included */
operator line_idx() const {
return idx;
}
line_idx get_index() const {
return idx;
}
// -----------------------------------------
/** access the underlying stream object */
StreamReaderLE& get_stream() {
return stream;
}
// -----------------------------------------
/** !strcmp((*this)->substr(0,strlen(check)),check) */
bool match_start(const char* check) {
const size_t len = strlen(check);
return len <= cur.length() && std::equal(check,check+len,cur.begin());
}
// -----------------------------------------
/** swallow the next call to ++, return the previous value. */
void swallow_next_increment() {
swallow = true;
}
private:
line_idx idx;
std::string cur;
StreamReaderLE& stream;
bool swallow, skip_empty_lines, trim;
};
}
#endif // INCLUDED_LINE_SPLITTER_H
for(;!IsSpace(*s); ++s) {
if(IsLineEnd(*s)) {
throw std::range_error("Token index out of range, EOL reached");
}
}
SkipSpaces(&s);
}
return s;
}
// -----------------------------------------
/** extract the start positions of N tokens from the current line*/
template <size_t N>
void get_tokens(const char* (&tokens)[N]) const {
const char* s = operator->()->c_str();
SkipSpaces(&s);
for(size_t i = 0; i < N; ++i) {
if(IsLineEnd(*s)) {
throw std::range_error("Token count out of range, EOL reached");
}
tokens[i] = s;
for(;*s && !IsSpace(*s); ++s);
SkipSpaces(&s);
}
}
// -----------------------------------------
/** member access */
const std::string* operator -> () const {
return &cur;
}
std::string operator* () const {
return cur;
}
// -----------------------------------------
/** boolean context */
operator bool() const {
return stream.GetRemainingSize()>0;
}
// -----------------------------------------
/** line indices are zero-based, empty lines are included */
operator line_idx() const {
return idx;
}
line_idx get_index() const {
return idx;
}
// -----------------------------------------
/** access the underlying stream object */
StreamReaderLE& get_stream() {
return stream;
}
// -----------------------------------------
/** !strcmp((*this)->substr(0,strlen(check)),check) */
bool match_start(const char* check) {
const size_t len = strlen(check);
return len <= cur.length() && std::equal(check,check+len,cur.begin());
}
// -----------------------------------------
/** swallow the next call to ++, return the previous value. */
void swallow_next_increment() {
swallow = true;
}
private:
line_idx idx;
std::string cur;
StreamReaderLE& stream;
bool swallow, skip_empty_lines, trim;
};
}
#endif // INCLUDED_LINE_SPLITTER_H

26
code/STEPFile.h
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@ -192,19 +192,19 @@ namespace STEP {
}
// utilities to deal with SELECT entities, which currently lack automatic
// conversion support.
template <typename T>
const T& ResolveSelect(const DB& db) const {
return Couple<T>(db).MustGetObject(To<EXPRESS::ENTITY>())->template To<T>();
}
template <typename T>
const T* ResolveSelectPtr(const DB& db) const {
const EXPRESS::ENTITY* e = ToPtr<EXPRESS::ENTITY>();
return e?Couple<T>(db).MustGetObject(*e)->template ToPtr<T>():(const T*)0;
}
public:
// conversion support.
template <typename T>
const T& ResolveSelect(const DB& db) const {
return Couple<T>(db).MustGetObject(To<EXPRESS::ENTITY>())->template To<T>();
}
template <typename T>
const T* ResolveSelectPtr(const DB& db) const {
const EXPRESS::ENTITY* e = ToPtr<EXPRESS::ENTITY>();
return e?Couple<T>(db).MustGetObject(*e)->template ToPtr<T>():(const T*)0;
}
public:
/** parse a variable from a string and set 'inout' to the character
* behind the last consumed character. An optional schema enables,

22
code/STEPFileReader.cpp
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@ -175,7 +175,7 @@ bool IsEntityDef(const std::string& snext)
if (*it == '=') {
return true;
}
if (*it < '0' || *it > '9') {
if ((*it < '0' || *it > '9') && *it != ' ') {
break;
}
}
@ -197,16 +197,17 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
const DB::ObjectMap& map = db.GetObjects();
LineSplitter& splitter = db.GetSplitter();
while (splitter) {
bool has_next = false;
std::string s = *splitter;
if (s == "ENDSEC;") {
break;
}
s.erase(std::remove(s.begin(), s.end(), ' '), s.end());
// want one-based line numbers for human readers, so +1
const uint64_t line = splitter.get_index()+1;
// LineSplitter already ignores empty lines
ai_assert(s.length());
if (s[0] != '#') {
@ -214,12 +215,10 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
++splitter;
continue;
}
// ---
// extract id, entity class name and argument string,
// but don't create the actual object yet.
// ---
const std::string::size_type n0 = s.find_first_of('=');
if (n0 == std::string::npos) {
DefaultLogger::get()->warn(AddLineNumber("expected token \'=\'",line));
@ -233,13 +232,10 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
++splitter;
continue;
}
std::string::size_type n1 = s.find_first_of('(',n0);
if (n1 == std::string::npos) {
has_next = true;
bool ok = false;
for( ++splitter; splitter; ++splitter) {
const std::string& snext = *splitter;
if (snext.empty()) {
@ -269,13 +265,11 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
has_next = true;
bool ok = false;
for( ++splitter; splitter; ++splitter) {
const std::string& snext = *splitter;
if (snext.empty()) {
continue;
}
// the next line doesn't start an entity, so maybe it is
// just a continuation for this line, keep going
if (!IsEntityDef(snext)) {
@ -287,7 +281,6 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
break;
}
}
if(!ok) {
DefaultLogger::get()->warn(AddLineNumber("expected token \')\'",line));
continue;
@ -300,24 +293,18 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
std::string::size_type ns = n0;
do ++ns; while( IsSpace(s.at(ns)));
std::string::size_type ne = n1;
do --ne; while( IsSpace(s.at(ne)));
std::string type = s.substr(ns,ne-ns+1);
std::transform( type.begin(), type.end(), type.begin(), &Assimp::ToLower<char> );
const char* sz = scheme.GetStaticStringForToken(type);
if(sz) {
const std::string::size_type len = n2-n1+1;
char* const copysz = new char[len+1];
std::copy(s.c_str()+n1,s.c_str()+n2+1,copysz);
copysz[len] = '\0';
db.InternInsert(new LazyObject(db,id,line,sz,copysz));
}
if(!has_next) {
++splitter;
}
@ -327,7 +314,7 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
DefaultLogger::get()->warn("STEP: ignoring unexpected EOF");
}
if ( !DefaultLogger::isNullLogger() ){
if ( !DefaultLogger::isNullLogger()){
DefaultLogger::get()->debug((Formatter::format(),"STEP: got ",map.size()," object records with ",
db.GetRefs().size()," inverse index entries"));
}
@ -338,7 +325,6 @@ boost::shared_ptr<const EXPRESS::DataType> EXPRESS::DataType::Parse(const char*&
{
const char* cur = inout;
SkipSpaces(&cur);
if (*cur == ',' || IsSpaceOrNewLine(*cur)) {
throw STEP::SyntaxError("unexpected token, expected parameter",line);
}

4
code/STEPFileReader.h
View File

@ -47,12 +47,10 @@ namespace Assimp {
namespace STEP {
// ### Parsing a STEP file is a twofold procedure ###
// --------------------------------------------------------------------------
// 1) read file header and return to caller, who checks if the
// file is of a supported schema ..
DB* ReadFileHeader(boost::shared_ptr<IOStream> stream);
// --------------------------------------------------------------------------
// 2) read the actual file contents using a user-supplied set of
// conversion functions to interpret the data.
@ -60,8 +58,6 @@ namespace STEP {
template <size_t N, size_t N2> inline void ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme, const char* const (&arr)[N], const char* const (&arr2)[N2]) {
return ReadFile(db,scheme,arr,N,arr2,N2);
}
} // ! STEP
} // ! Assimp