summaryrefslogtreecommitdiff
path: root/third_party/lcms2-2.6/src/cmscgats.c
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/lcms2-2.6/src/cmscgats.c')
-rw-r--r--third_party/lcms2-2.6/src/cmscgats.c2775
1 files changed, 2775 insertions, 0 deletions
diff --git a/third_party/lcms2-2.6/src/cmscgats.c b/third_party/lcms2-2.6/src/cmscgats.c
new file mode 100644
index 0000000000..90174351e3
--- /dev/null
+++ b/third_party/lcms2-2.6/src/cmscgats.c
@@ -0,0 +1,2775 @@
+//---------------------------------------------------------------------------------
+//
+// Little Color Management System
+// Copyright (c) 1998-2012 Marti Maria Saguer
+//
+// 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 or substantial portions of the 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.
+//
+//---------------------------------------------------------------------------------
+//
+
+#include "lcms2_internal.h"
+
+
+// IT8.7 / CGATS.17-200x handling -----------------------------------------------------------------------------
+
+
+#define MAXID 128 // Max length of identifier
+#define MAXSTR 1024 // Max length of string
+#define MAXTABLES 255 // Max Number of tables in a single stream
+#define MAXINCLUDE 20 // Max number of nested includes
+
+#define DEFAULT_DBL_FORMAT "%.10g" // Double formatting
+
+#ifdef CMS_IS_WINDOWS_
+//sunliang.liu modified 2010426 for wince error
+# ifndef _WIN32_WCE
+# include <io.h>
+# endif
+# define DIR_CHAR '\\'
+#else
+# define DIR_CHAR '/'
+#endif
+
+
+// Symbols
+typedef enum {
+
+ SNONE,
+ SINUM, // Integer
+ SDNUM, // Real
+ SIDENT, // Identifier
+ SSTRING, // string
+ SCOMMENT, // comment
+ SEOLN, // End of line
+ SEOF, // End of stream
+ SSYNERROR, // Syntax error found on stream
+
+ // Keywords
+
+ SBEGIN_DATA,
+ SBEGIN_DATA_FORMAT,
+ SEND_DATA,
+ SEND_DATA_FORMAT,
+ SKEYWORD,
+ SDATA_FORMAT_ID,
+ SINCLUDE
+
+ } SYMBOL;
+
+
+// How to write the value
+typedef enum {
+
+ WRITE_UNCOOKED,
+ WRITE_STRINGIFY,
+ WRITE_HEXADECIMAL,
+ WRITE_BINARY,
+ WRITE_PAIR
+
+ } WRITEMODE;
+
+// Linked list of variable names
+typedef struct _KeyVal {
+
+ struct _KeyVal* Next;
+ char* Keyword; // Name of variable
+ struct _KeyVal* NextSubkey; // If key is a dictionary, points to the next item
+ char* Subkey; // If key is a dictionary, points to the subkey name
+ char* Value; // Points to value
+ WRITEMODE WriteAs; // How to write the value
+
+ } KEYVALUE;
+
+
+// Linked list of memory chunks (Memory sink)
+typedef struct _OwnedMem {
+
+ struct _OwnedMem* Next;
+ void * Ptr; // Point to value
+
+ } OWNEDMEM;
+
+// Suballocator
+typedef struct _SubAllocator {
+
+ cmsUInt8Number* Block;
+ cmsUInt32Number BlockSize;
+ cmsUInt32Number Used;
+
+ } SUBALLOCATOR;
+
+// Table. Each individual table can hold properties and rows & cols
+typedef struct _Table {
+
+ char SheetType[MAXSTR]; // The first row of the IT8 (the type)
+
+ int nSamples, nPatches; // Cols, Rows
+ int SampleID; // Pos of ID
+
+ KEYVALUE* HeaderList; // The properties
+
+ char** DataFormat; // The binary stream descriptor
+ char** Data; // The binary stream
+
+ } TABLE;
+
+// File stream being parsed
+typedef struct _FileContext {
+ char FileName[cmsMAX_PATH]; // File name if being readed from file
+ FILE* Stream; // File stream or NULL if holded in memory
+ } FILECTX;
+
+// This struct hold all information about an open IT8 handler.
+typedef struct {
+
+
+ cmsUInt32Number TablesCount; // How many tables in this stream
+ cmsUInt32Number nTable; // The actual table
+
+ TABLE Tab[MAXTABLES];
+
+ // Memory management
+ OWNEDMEM* MemorySink; // The storage backend
+ SUBALLOCATOR Allocator; // String suballocator -- just to keep it fast
+
+ // Parser state machine
+ SYMBOL sy; // Current symbol
+ int ch; // Current character
+
+ int inum; // integer value
+ cmsFloat64Number dnum; // real value
+ char id[MAXID]; // identifier
+ char str[MAXSTR]; // string
+
+ // Allowed keywords & datasets. They have visibility on whole stream
+ KEYVALUE* ValidKeywords;
+ KEYVALUE* ValidSampleID;
+
+ char* Source; // Points to loc. being parsed
+ int lineno; // line counter for error reporting
+
+ FILECTX* FileStack[MAXINCLUDE]; // Stack of files being parsed
+ int IncludeSP; // Include Stack Pointer
+
+ char* MemoryBlock; // The stream if holded in memory
+
+ char DoubleFormatter[MAXID];// Printf-like 'cmsFloat64Number' formatter
+
+ cmsContext ContextID; // The threading context
+
+ } cmsIT8;
+
+
+// The stream for save operations
+typedef struct {
+
+ FILE* stream; // For save-to-file behaviour
+
+ cmsUInt8Number* Base;
+ cmsUInt8Number* Ptr; // For save-to-mem behaviour
+ cmsUInt32Number Used;
+ cmsUInt32Number Max;
+
+ } SAVESTREAM;
+
+
+// ------------------------------------------------------ cmsIT8 parsing routines
+
+
+// A keyword
+typedef struct {
+
+ const char *id;
+ SYMBOL sy;
+
+ } KEYWORD;
+
+// The keyword->symbol translation table. Sorting is required.
+static const KEYWORD TabKeys[] = {
+
+ {"$INCLUDE", SINCLUDE}, // This is an extension!
+ {".INCLUDE", SINCLUDE}, // This is an extension!
+
+ {"BEGIN_DATA", SBEGIN_DATA },
+ {"BEGIN_DATA_FORMAT", SBEGIN_DATA_FORMAT },
+ {"DATA_FORMAT_IDENTIFIER", SDATA_FORMAT_ID},
+ {"END_DATA", SEND_DATA},
+ {"END_DATA_FORMAT", SEND_DATA_FORMAT},
+ {"KEYWORD", SKEYWORD}
+ };
+
+#define NUMKEYS (sizeof(TabKeys)/sizeof(KEYWORD))
+
+// Predefined properties
+
+// A property
+typedef struct {
+ const char *id; // The identifier
+ WRITEMODE as; // How is supposed to be written
+ } PROPERTY;
+
+static PROPERTY PredefinedProperties[] = {
+
+ {"NUMBER_OF_FIELDS", WRITE_UNCOOKED}, // Required - NUMBER OF FIELDS
+ {"NUMBER_OF_SETS", WRITE_UNCOOKED}, // Required - NUMBER OF SETS
+ {"ORIGINATOR", WRITE_STRINGIFY}, // Required - Identifies the specific system, organization or individual that created the data file.
+ {"FILE_DESCRIPTOR", WRITE_STRINGIFY}, // Required - Describes the purpose or contents of the data file.
+ {"CREATED", WRITE_STRINGIFY}, // Required - Indicates date of creation of the data file.
+ {"DESCRIPTOR", WRITE_STRINGIFY}, // Required - Describes the purpose or contents of the data file.
+ {"DIFFUSE_GEOMETRY", WRITE_STRINGIFY}, // The diffuse geometry used. Allowed values are "sphere" or "opal".
+ {"MANUFACTURER", WRITE_STRINGIFY},
+ {"MANUFACTURE", WRITE_STRINGIFY}, // Some broken Fuji targets does store this value
+ {"PROD_DATE", WRITE_STRINGIFY}, // Identifies year and month of production of the target in the form yyyy:mm.
+ {"SERIAL", WRITE_STRINGIFY}, // Uniquely identifies individual physical target.
+
+ {"MATERIAL", WRITE_STRINGIFY}, // Identifies the material on which the target was produced using a code
+ // uniquely identifying th e material. This is intend ed to be used for IT8.7
+ // physical targets only (i.e . IT8.7/1 a nd IT8.7/2).
+
+ {"INSTRUMENTATION", WRITE_STRINGIFY}, // Used to report the specific instrumentation used (manufacturer and
+ // model number) to generate the data reported. This data will often
+ // provide more information about the particular data collected than an
+ // extensive list of specific details. This is particularly important for
+ // spectral data or data derived from spectrophotometry.
+
+ {"MEASUREMENT_SOURCE", WRITE_STRINGIFY}, // Illumination used for spectral measurements. This data helps provide
+ // a guide to the potential for issues of paper fluorescence, etc.
+
+ {"PRINT_CONDITIONS", WRITE_STRINGIFY}, // Used to define the characteristics of the printed sheet being reported.
+ // Where standard conditions have been defined (e.g., SWOP at nominal)
+ // named conditions may suffice. Otherwise, detailed information is
+ // needed.
+
+ {"SAMPLE_BACKING", WRITE_STRINGIFY}, // Identifies the backing material used behind the sample during
+ // measurement. Allowed values are “black? “white? or {"na".
+
+ {"CHISQ_DOF", WRITE_STRINGIFY}, // Degrees of freedom associated with the Chi squared statistic
+
+ // below properties are new in recent specs:
+
+ {"MEASUREMENT_GEOMETRY", WRITE_STRINGIFY}, // The type of measurement, either reflection or transmission, should be indicated
+ // along with details of the geometry and the aperture size and shape. For example,
+ // for transmission measurements it is important to identify 0/diffuse, diffuse/0,
+ // opal or integrating sphere, etc. For reflection it is important to identify 0/45,
+ // 45/0, sphere (specular included or excluded), etc.
+
+ {"FILTER", WRITE_STRINGIFY}, // Identifies the use of physical filter(s) during measurement. Typically used to
+ // denote the use of filters such as none, D65, Red, Green or Blue.
+
+ {"POLARIZATION", WRITE_STRINGIFY}, // Identifies the use of a physical polarization filter during measurement. Allowed
+ // values are {"yes? “white? “none?or “na?
+
+ {"WEIGHTING_FUNCTION", WRITE_PAIR}, // Indicates such functions as: the CIE standard observer functions used in the
+ // calculation of various data parameters (2 degree and 10 degree), CIE standard
+ // illuminant functions used in the calculation of various data parameters (e.g., D50,
+ // D65, etc.), density status response, etc. If used there shall be at least one
+ // name-value pair following the WEIGHTING_FUNCTION tag/keyword. The first attribute
+ // in the set shall be {"name" and shall identify the particular parameter used.
+ // The second shall be {"value" and shall provide the value associated with that name.
+ // For ASCII data, a string containing the Name and Value attribute pairs shall follow
+ // the weighting function keyword. A semi-colon separates attribute pairs from each
+ // other and within the attribute the name and value are separated by a comma.
+
+ {"COMPUTATIONAL_PARAMETER", WRITE_PAIR}, // Parameter that is used in computing a value from measured data. Name is the name
+ // of the calculation, parameter is the name of the parameter used in the calculation
+ // and value is the value of the parameter.
+
+ {"TARGET_TYPE", WRITE_STRINGIFY}, // The type of target being measured, e.g. IT8.7/1, IT8.7/3, user defined, etc.
+
+ {"COLORANT", WRITE_STRINGIFY}, // Identifies the colorant(s) used in creating the target.
+
+ {"TABLE_DESCRIPTOR", WRITE_STRINGIFY}, // Describes the purpose or contents of a data table.
+
+ {"TABLE_NAME", WRITE_STRINGIFY} // Provides a short name for a data table.
+};
+
+#define NUMPREDEFINEDPROPS (sizeof(PredefinedProperties)/sizeof(PROPERTY))
+
+
+// Predefined sample types on dataset
+static const char* PredefinedSampleID[] = {
+ "SAMPLE_ID", // Identifies sample that data represents
+ "STRING", // Identifies label, or other non-machine readable value.
+ // Value must begin and end with a " symbol
+
+ "CMYK_C", // Cyan component of CMYK data expressed as a percentage
+ "CMYK_M", // Magenta component of CMYK data expressed as a percentage
+ "CMYK_Y", // Yellow component of CMYK data expressed as a percentage
+ "CMYK_K", // Black component of CMYK data expressed as a percentage
+ "D_RED", // Red filter density
+ "D_GREEN", // Green filter density
+ "D_BLUE", // Blue filter density
+ "D_VIS", // Visual filter density
+ "D_MAJOR_FILTER", // Major filter d ensity
+ "RGB_R", // Red component of RGB data
+ "RGB_G", // Green component of RGB data
+ "RGB_B", // Blue com ponent of RGB data
+ "SPECTRAL_NM", // Wavelength of measurement expressed in nanometers
+ "SPECTRAL_PCT", // Percentage reflectance/transmittance
+ "SPECTRAL_DEC", // Reflectance/transmittance
+ "XYZ_X", // X component of tristimulus data
+ "XYZ_Y", // Y component of tristimulus data
+ "XYZ_Z", // Z component of tristimulus data
+ "XYY_X" // x component of chromaticity data
+ "XYY_Y", // y component of chromaticity data
+ "XYY_CAPY", // Y component of tristimulus data
+ "LAB_L", // L* component of Lab data
+ "LAB_A", // a* component of Lab data
+ "LAB_B", // b* component of Lab data
+ "LAB_C", // C*ab component of Lab data
+ "LAB_H", // hab component of Lab data
+ "LAB_DE", // CIE dE
+ "LAB_DE_94", // CIE dE using CIE 94
+ "LAB_DE_CMC", // dE using CMC
+ "LAB_DE_2000", // CIE dE using CIE DE 2000
+ "MEAN_DE", // Mean Delta E (LAB_DE) of samples compared to batch average
+ // (Used for data files for ANSI IT8.7/1 and IT8.7/2 targets)
+ "STDEV_X", // Standard deviation of X (tristimulus data)
+ "STDEV_Y", // Standard deviation of Y (tristimulus data)
+ "STDEV_Z", // Standard deviation of Z (tristimulus data)
+ "STDEV_L", // Standard deviation of L*
+ "STDEV_A", // Standard deviation of a*
+ "STDEV_B", // Standard deviation of b*
+ "STDEV_DE", // Standard deviation of CIE dE
+ "CHI_SQD_PAR"}; // The average of the standard deviations of L*, a* and b*. It is
+ // used to derive an estimate of the chi-squared parameter which is
+ // recommended as the predictor of the variability of dE
+
+#define NUMPREDEFINEDSAMPLEID (sizeof(PredefinedSampleID)/sizeof(char *))
+
+//Forward declaration of some internal functions
+static void* AllocChunk(cmsIT8* it8, cmsUInt32Number size);
+
+// Checks whatever c is a separator
+static
+cmsBool isseparator(int c)
+{
+ return (c == ' ') || (c == '\t') ;
+}
+
+// Checks whatever c is a valid identifier char
+static
+cmsBool ismiddle(int c)
+{
+ return (!isseparator(c) && (c != '#') && (c !='\"') && (c != '\'') && (c > 32) && (c < 127));
+}
+
+// Checks whatsever c is a valid identifier middle char.
+static
+cmsBool isidchar(int c)
+{
+ return isalnum(c) || ismiddle(c);
+}
+
+// Checks whatsever c is a valid identifier first char.
+static
+cmsBool isfirstidchar(int c)
+{
+ return !isdigit(c) && ismiddle(c);
+}
+
+// Guess whether the supplied path looks like an absolute path
+static
+cmsBool isabsolutepath(const char *path)
+{
+ char ThreeChars[4];
+
+ if(path == NULL)
+ return FALSE;
+ if (path[0] == 0)
+ return FALSE;
+
+ strncpy(ThreeChars, path, 3);
+ ThreeChars[3] = 0;
+
+ if(ThreeChars[0] == DIR_CHAR)
+ return TRUE;
+
+#ifdef CMS_IS_WINDOWS_
+ if (isalpha((int) ThreeChars[0]) && ThreeChars[1] == ':')
+ return TRUE;
+#endif
+ return FALSE;
+}
+
+
+// Makes a file path based on a given reference path
+// NOTE: this function doesn't check if the path exists or even if it's legal
+static
+cmsBool BuildAbsolutePath(const char *relPath, const char *basePath, char *buffer, cmsUInt32Number MaxLen)
+{
+ char *tail;
+ cmsUInt32Number len;
+
+ // Already absolute?
+ if (isabsolutepath(relPath)) {
+
+ strncpy(buffer, relPath, MaxLen);
+ buffer[MaxLen-1] = 0;
+ return TRUE;
+ }
+
+ // No, search for last
+ strncpy(buffer, basePath, MaxLen);
+ buffer[MaxLen-1] = 0;
+
+ tail = strrchr(buffer, DIR_CHAR);
+ if (tail == NULL) return FALSE; // Is not absolute and has no separators??
+
+ len = (cmsUInt32Number) (tail - buffer);
+ if (len >= MaxLen) return FALSE;
+
+ // No need to assure zero terminator over here
+ strncpy(tail + 1, relPath, MaxLen - len);
+
+ return TRUE;
+}
+
+
+// Make sure no exploit is being even tried
+static
+const char* NoMeta(const char* str)
+{
+ if (strchr(str, '%') != NULL)
+ return "**** CORRUPTED FORMAT STRING ***";
+
+ return str;
+}
+
+// Syntax error
+static
+cmsBool SynError(cmsIT8* it8, const char *Txt, ...)
+{
+ char Buffer[256], ErrMsg[1024];
+ va_list args;
+
+ va_start(args, Txt);
+ vsnprintf(Buffer, 255, Txt, args);
+ Buffer[255] = 0;
+ va_end(args);
+
+ snprintf(ErrMsg, 1023, "%s: Line %d, %s", it8->FileStack[it8 ->IncludeSP]->FileName, it8->lineno, Buffer);
+ ErrMsg[1023] = 0;
+ it8->sy = SSYNERROR;
+ cmsSignalError(it8 ->ContextID, cmsERROR_CORRUPTION_DETECTED, "%s", ErrMsg);
+ return FALSE;
+}
+
+// Check if current symbol is same as specified. issue an error else.
+static
+cmsBool Check(cmsIT8* it8, SYMBOL sy, const char* Err)
+{
+ if (it8 -> sy != sy)
+ return SynError(it8, NoMeta(Err));
+ return TRUE;
+}
+
+// Read Next character from stream
+static
+void NextCh(cmsIT8* it8)
+{
+ if (it8 -> FileStack[it8 ->IncludeSP]->Stream) {
+
+ it8 ->ch = fgetc(it8 ->FileStack[it8 ->IncludeSP]->Stream);
+
+ if (feof(it8 -> FileStack[it8 ->IncludeSP]->Stream)) {
+
+ if (it8 ->IncludeSP > 0) {
+
+ fclose(it8 ->FileStack[it8->IncludeSP--]->Stream);
+ it8 -> ch = ' '; // Whitespace to be ignored
+
+ } else
+ it8 ->ch = 0; // EOF
+ }
+ }
+ else {
+ it8->ch = *it8->Source;
+ if (it8->ch) it8->Source++;
+ }
+}
+
+
+// Try to see if current identifier is a keyword, if so return the referred symbol
+static
+SYMBOL BinSrchKey(const char *id)
+{
+ int l = 1;
+ int r = NUMKEYS;
+ int x, res;
+
+ while (r >= l)
+ {
+ x = (l+r)/2;
+ res = cmsstrcasecmp(id, TabKeys[x-1].id);
+ if (res == 0) return TabKeys[x-1].sy;
+ if (res < 0) r = x - 1;
+ else l = x + 1;
+ }
+
+ return SNONE;
+}
+
+
+// 10 ^n
+static
+cmsFloat64Number xpow10(int n)
+{
+ return pow(10, (cmsFloat64Number) n);
+}
+
+
+// Reads a Real number, tries to follow from integer number
+static
+void ReadReal(cmsIT8* it8, int inum)
+{
+ it8->dnum = (cmsFloat64Number) inum;
+
+ while (isdigit(it8->ch)) {
+
+ it8->dnum = it8->dnum * 10.0 + (it8->ch - '0');
+ NextCh(it8);
+ }
+
+ if (it8->ch == '.') { // Decimal point
+
+ cmsFloat64Number frac = 0.0; // fraction
+ int prec = 0; // precision
+
+ NextCh(it8); // Eats dec. point
+
+ while (isdigit(it8->ch)) {
+
+ frac = frac * 10.0 + (it8->ch - '0');
+ prec++;
+ NextCh(it8);
+ }
+
+ it8->dnum = it8->dnum + (frac / xpow10(prec));
+ }
+
+ // Exponent, example 34.00E+20
+ if (toupper(it8->ch) == 'E') {
+
+ int e;
+ int sgn;
+
+ NextCh(it8); sgn = 1;
+
+ if (it8->ch == '-') {
+
+ sgn = -1; NextCh(it8);
+ }
+ else
+ if (it8->ch == '+') {
+
+ sgn = +1;
+ NextCh(it8);
+ }
+
+ e = 0;
+ while (isdigit(it8->ch)) {
+
+ if ((cmsFloat64Number) e * 10L < INT_MAX)
+ e = e * 10 + (it8->ch - '0');
+
+ NextCh(it8);
+ }
+
+ e = sgn*e;
+ it8 -> dnum = it8 -> dnum * xpow10(e);
+ }
+}
+
+// Parses a float number
+// This can not call directly atof because it uses locale dependant
+// parsing, while CCMX files always use . as decimal separator
+static
+cmsFloat64Number ParseFloatNumber(const char *Buffer)
+{
+ cmsFloat64Number dnum = 0.0;
+ int sign = 1;
+
+ // keep safe
+ if (Buffer == NULL) return 0.0;
+
+ if (*Buffer == '-' || *Buffer == '+') {
+
+ sign = (*Buffer == '-') ? -1 : 1;
+ Buffer++;
+ }
+
+
+ while (*Buffer && isdigit((int) *Buffer)) {
+
+ dnum = dnum * 10.0 + (*Buffer - '0');
+ if (*Buffer) Buffer++;
+ }
+
+ if (*Buffer == '.') {
+
+ cmsFloat64Number frac = 0.0; // fraction
+ int prec = 0; // precission
+
+ if (*Buffer) Buffer++;
+
+ while (*Buffer && isdigit((int) *Buffer)) {
+
+ frac = frac * 10.0 + (*Buffer - '0');
+ prec++;
+ if (*Buffer) Buffer++;
+ }
+
+ dnum = dnum + (frac / xpow10(prec));
+ }
+
+ // Exponent, example 34.00E+20
+ if (*Buffer && toupper(*Buffer) == 'E') {
+
+ int e;
+ int sgn;
+
+ if (*Buffer) Buffer++;
+ sgn = 1;
+
+ if (*Buffer == '-') {
+
+ sgn = -1;
+ if (*Buffer) Buffer++;
+ }
+ else
+ if (*Buffer == '+') {
+
+ sgn = +1;
+ if (*Buffer) Buffer++;
+ }
+
+ e = 0;
+ while (*Buffer && isdigit((int) *Buffer)) {
+
+ if ((cmsFloat64Number) e * 10L < INT_MAX)
+ e = e * 10 + (*Buffer - '0');
+
+ if (*Buffer) Buffer++;
+ }
+
+ e = sgn*e;
+ dnum = dnum * xpow10(e);
+ }
+
+ return sign * dnum;
+}
+
+
+// Reads next symbol
+static
+void InSymbol(cmsIT8* it8)
+{
+ register char *idptr;
+ register int k;
+ SYMBOL key;
+ int sng;
+
+ do {
+
+ while (isseparator(it8->ch))
+ NextCh(it8);
+
+ if (isfirstidchar(it8->ch)) { // Identifier
+
+ k = 0;
+ idptr = it8->id;
+
+ do {
+
+ if (++k < MAXID) *idptr++ = (char) it8->ch;
+
+ NextCh(it8);
+
+ } while (isidchar(it8->ch));
+
+ *idptr = '\0';
+
+
+ key = BinSrchKey(it8->id);
+ if (key == SNONE) it8->sy = SIDENT;
+ else it8->sy = key;
+
+ }
+ else // Is a number?
+ if (isdigit(it8->ch) || it8->ch == '.' || it8->ch == '-' || it8->ch == '+')
+ {
+ int sign = 1;
+
+ if (it8->ch == '-') {
+ sign = -1;
+ NextCh(it8);
+ }
+
+ it8->inum = 0;
+ it8->sy = SINUM;
+
+ if (it8->ch == '0') { // 0xnnnn (Hexa) or 0bnnnn (Binary)
+
+ NextCh(it8);
+ if (toupper(it8->ch) == 'X') {
+
+ int j;
+
+ NextCh(it8);
+ while (isxdigit(it8->ch))
+ {
+ it8->ch = toupper(it8->ch);
+ if (it8->ch >= 'A' && it8->ch <= 'F') j = it8->ch -'A'+10;
+ else j = it8->ch - '0';
+
+ if ((long) it8->inum * 16L > (long) INT_MAX)
+ {
+ SynError(it8, "Invalid hexadecimal number");
+ return;
+ }
+
+ it8->inum = it8->inum * 16 + j;
+ NextCh(it8);
+ }
+ return;
+ }
+
+ if (toupper(it8->ch) == 'B') { // Binary
+
+ int j;
+
+ NextCh(it8);
+ while (it8->ch == '0' || it8->ch == '1')
+ {
+ j = it8->ch - '0';
+
+ if ((long) it8->inum * 2L > (long) INT_MAX)
+ {
+ SynError(it8, "Invalid binary number");
+ return;
+ }
+
+ it8->inum = it8->inum * 2 + j;
+ NextCh(it8);
+ }
+ return;
+ }
+ }
+
+
+ while (isdigit(it8->ch)) {
+
+ if ((long) it8->inum * 10L > (long) INT_MAX) {
+ ReadReal(it8, it8->inum);
+ it8->sy = SDNUM;
+ it8->dnum *= sign;
+ return;
+ }
+
+ it8->inum = it8->inum * 10 + (it8->ch - '0');
+ NextCh(it8);
+ }
+
+ if (it8->ch == '.') {
+
+ ReadReal(it8, it8->inum);
+ it8->sy = SDNUM;
+ it8->dnum *= sign;
+ return;
+ }
+
+ it8 -> inum *= sign;
+
+ // Special case. Numbers followed by letters are taken as identifiers
+
+ if (isidchar(it8 ->ch)) {
+
+ if (it8 ->sy == SINUM) {
+
+ sprintf(it8->id, "%d", it8->inum);
+ }
+ else {
+
+ sprintf(it8->id, it8 ->DoubleFormatter, it8->dnum);
+ }
+
+ k = (int) strlen(it8 ->id);
+ idptr = it8 ->id + k;
+ do {
+
+ if (++k < MAXID) *idptr++ = (char) it8->ch;
+
+ NextCh(it8);
+
+ } while (isidchar(it8->ch));
+
+ *idptr = '\0';
+ it8->sy = SIDENT;
+ }
+ return;
+
+ }
+ else
+ switch ((int) it8->ch) {
+
+ // EOF marker -- ignore it
+ case '\x1a':
+ NextCh(it8);
+ break;
+
+ // Eof stream markers
+ case 0:
+ case -1:
+ it8->sy = SEOF;
+ break;
+
+
+ // Next line
+ case '\r':
+ NextCh(it8);
+ if (it8 ->ch == '\n')
+ NextCh(it8);
+ it8->sy = SEOLN;
+ it8->lineno++;
+ break;
+
+ case '\n':
+ NextCh(it8);
+ it8->sy = SEOLN;
+ it8->lineno++;
+ break;
+
+ // Comment
+ case '#':
+ NextCh(it8);
+ while (it8->ch && it8->ch != '\n' && it8->ch != '\r')
+ NextCh(it8);
+
+ it8->sy = SCOMMENT;
+ break;
+
+ // String.
+ case '\'':
+ case '\"':
+ idptr = it8->str;
+ sng = it8->ch;
+ k = 0;
+ NextCh(it8);
+
+ while (k < MAXSTR && it8->ch != sng) {
+
+ if (it8->ch == '\n'|| it8->ch == '\r') k = MAXSTR+1;
+ else {
+ *idptr++ = (char) it8->ch;
+ NextCh(it8);
+ k++;
+ }
+ }
+
+ it8->sy = SSTRING;
+ *idptr = '\0';
+ NextCh(it8);
+ break;
+
+
+ default:
+ SynError(it8, "Unrecognized character: 0x%x", it8 ->ch);
+ return;
+ }
+
+ } while (it8->sy == SCOMMENT);
+
+ // Handle the include special token
+
+ if (it8 -> sy == SINCLUDE) {
+
+ FILECTX* FileNest;
+
+ if(it8 -> IncludeSP >= (MAXINCLUDE-1)) {
+
+ SynError(it8, "Too many recursion levels");
+ return;
+ }
+
+ InSymbol(it8);
+ if (!Check(it8, SSTRING, "Filename expected")) return;
+
+ FileNest = it8 -> FileStack[it8 -> IncludeSP + 1];
+ if(FileNest == NULL) {
+
+ FileNest = it8 ->FileStack[it8 -> IncludeSP + 1] = (FILECTX*)AllocChunk(it8, sizeof(FILECTX));
+ //if(FileNest == NULL)
+ // TODO: how to manage out-of-memory conditions?
+ }
+
+ if (BuildAbsolutePath(it8->str,
+ it8->FileStack[it8->IncludeSP]->FileName,
+ FileNest->FileName, cmsMAX_PATH-1) == FALSE) {
+ SynError(it8, "File path too long");
+ return;
+ }
+
+ FileNest->Stream = fopen(FileNest->FileName, "rt");
+ if (FileNest->Stream == NULL) {
+
+ SynError(it8, "File %s not found", FileNest->FileName);
+ return;
+ }
+ it8->IncludeSP++;
+
+ it8 ->ch = ' ';
+ InSymbol(it8);
+ }
+
+}
+
+// Checks end of line separator
+static
+cmsBool CheckEOLN(cmsIT8* it8)
+{
+ if (!Check(it8, SEOLN, "Expected separator")) return FALSE;
+ while (it8 -> sy == SEOLN)
+ InSymbol(it8);
+ return TRUE;
+
+}
+
+// Skip a symbol
+
+static
+void Skip(cmsIT8* it8, SYMBOL sy)
+{
+ if (it8->sy == sy && it8->sy != SEOF)
+ InSymbol(it8);
+}
+
+
+// Skip multiple EOLN
+static
+void SkipEOLN(cmsIT8* it8)
+{
+ while (it8->sy == SEOLN) {
+ InSymbol(it8);
+ }
+}
+
+
+// Returns a string holding current value
+static
+cmsBool GetVal(cmsIT8* it8, char* Buffer, cmsUInt32Number max, const char* ErrorTitle)
+{
+ switch (it8->sy) {
+
+ case SEOLN: // Empty value
+ Buffer[0]=0;
+ break;
+ case SIDENT: strncpy(Buffer, it8->id, max);
+ Buffer[max-1]=0;
+ break;
+ case SINUM: snprintf(Buffer, max, "%d", it8 -> inum); break;
+ case SDNUM: snprintf(Buffer, max, it8->DoubleFormatter, it8 -> dnum); break;
+ case SSTRING: strncpy(Buffer, it8->str, max);
+ Buffer[max-1] = 0;
+ break;
+
+
+ default:
+ return SynError(it8, "%s", ErrorTitle);
+ }
+
+ Buffer[max] = 0;
+ return TRUE;
+}
+
+// ---------------------------------------------------------- Table
+
+static
+TABLE* GetTable(cmsIT8* it8)
+{
+ if ((it8 -> nTable >= it8 ->TablesCount)) {
+
+ SynError(it8, "Table %d out of sequence", it8 -> nTable);
+ return it8 -> Tab;
+ }
+
+ return it8 ->Tab + it8 ->nTable;
+}
+
+// ---------------------------------------------------------- Memory management
+
+
+// Frees an allocator and owned memory
+void CMSEXPORT cmsIT8Free(cmsHANDLE hIT8)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ if (it8 == NULL)
+ return;
+
+ if (it8->MemorySink) {
+
+ OWNEDMEM* p;
+ OWNEDMEM* n;
+
+ for (p = it8->MemorySink; p != NULL; p = n) {
+
+ n = p->Next;
+ if (p->Ptr) _cmsFree(it8 ->ContextID, p->Ptr);
+ _cmsFree(it8 ->ContextID, p);
+ }
+ }
+
+ if (it8->MemoryBlock)
+ _cmsFree(it8 ->ContextID, it8->MemoryBlock);
+
+ _cmsFree(it8 ->ContextID, it8);
+}
+
+
+// Allocates a chunk of data, keep linked list
+static
+void* AllocBigBlock(cmsIT8* it8, cmsUInt32Number size)
+{
+ OWNEDMEM* ptr1;
+ void* ptr = _cmsMallocZero(it8->ContextID, size);
+
+ if (ptr != NULL) {
+
+ ptr1 = (OWNEDMEM*) _cmsMallocZero(it8 ->ContextID, sizeof(OWNEDMEM));
+
+ if (ptr1 == NULL) {
+
+ _cmsFree(it8 ->ContextID, ptr);
+ return NULL;
+ }
+
+ ptr1-> Ptr = ptr;
+ ptr1-> Next = it8 -> MemorySink;
+ it8 -> MemorySink = ptr1;
+ }
+
+ return ptr;
+}
+
+
+// Suballocator.
+static
+void* AllocChunk(cmsIT8* it8, cmsUInt32Number size)
+{
+ cmsUInt32Number Free = it8 ->Allocator.BlockSize - it8 ->Allocator.Used;
+ cmsUInt8Number* ptr;
+
+ size = _cmsALIGNMEM(size);
+
+ if (size > Free) {
+
+ if (it8 -> Allocator.BlockSize == 0)
+
+ it8 -> Allocator.BlockSize = 20*1024;
+ else
+ it8 ->Allocator.BlockSize *= 2;
+
+ if (it8 ->Allocator.BlockSize < size)
+ it8 ->Allocator.BlockSize = size;
+
+ it8 ->Allocator.Used = 0;
+ it8 ->Allocator.Block = (cmsUInt8Number*) AllocBigBlock(it8, it8 ->Allocator.BlockSize);
+ }
+
+ ptr = it8 ->Allocator.Block + it8 ->Allocator.Used;
+ it8 ->Allocator.Used += size;
+
+ return (void*) ptr;
+
+}
+
+
+// Allocates a string
+static
+char *AllocString(cmsIT8* it8, const char* str)
+{
+ cmsUInt32Number Size = (cmsUInt32Number) strlen(str)+1;
+ char *ptr;
+
+
+ ptr = (char *) AllocChunk(it8, Size);
+ if (ptr) strncpy (ptr, str, Size-1);
+
+ return ptr;
+}
+
+// Searches through linked list
+
+static
+cmsBool IsAvailableOnList(KEYVALUE* p, const char* Key, const char* Subkey, KEYVALUE** LastPtr)
+{
+ if (LastPtr) *LastPtr = p;
+
+ for (; p != NULL; p = p->Next) {
+
+ if (LastPtr) *LastPtr = p;
+
+ if (*Key != '#') { // Comments are ignored
+
+ if (cmsstrcasecmp(Key, p->Keyword) == 0)
+ break;
+ }
+ }
+
+ if (p == NULL)
+ return FALSE;
+
+ if (Subkey == 0)
+ return TRUE;
+
+ for (; p != NULL; p = p->NextSubkey) {
+
+ if (p ->Subkey == NULL) continue;
+
+ if (LastPtr) *LastPtr = p;
+
+ if (cmsstrcasecmp(Subkey, p->Subkey) == 0)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+
+// Add a property into a linked list
+static
+KEYVALUE* AddToList(cmsIT8* it8, KEYVALUE** Head, const char *Key, const char *Subkey, const char* xValue, WRITEMODE WriteAs)
+{
+ KEYVALUE* p;
+ KEYVALUE* last;
+
+
+ // Check if property is already in list
+
+ if (IsAvailableOnList(*Head, Key, Subkey, &p)) {
+
+ // This may work for editing properties
+
+ // return SynError(it8, "duplicate key <%s>", Key);
+ }
+ else {
+
+ last = p;
+
+ // Allocate the container
+ p = (KEYVALUE*) AllocChunk(it8, sizeof(KEYVALUE));
+ if (p == NULL)
+ {
+ SynError(it8, "AddToList: out of memory");
+ return NULL;
+ }
+
+ // Store name and value
+ p->Keyword = AllocString(it8, Key);
+ p->Subkey = (Subkey == NULL) ? NULL : AllocString(it8, Subkey);
+
+ // Keep the container in our list
+ if (*Head == NULL) {
+ *Head = p;
+ }
+ else
+ {
+ if (Subkey != NULL && last != NULL) {
+
+ last->NextSubkey = p;
+
+ // If Subkey is not null, then last is the last property with the same key,
+ // but not necessarily is the last property in the list, so we need to move
+ // to the actual list end
+ while (last->Next != NULL)
+ last = last->Next;
+ }
+
+ if (last != NULL) last->Next = p;
+ }
+
+ p->Next = NULL;
+ p->NextSubkey = NULL;
+ }
+
+ p->WriteAs = WriteAs;
+
+ if (xValue != NULL) {
+
+ p->Value = AllocString(it8, xValue);
+ }
+ else {
+ p->Value = NULL;
+ }
+
+ return p;
+}
+
+static
+KEYVALUE* AddAvailableProperty(cmsIT8* it8, const char* Key, WRITEMODE as)
+{
+ return AddToList(it8, &it8->ValidKeywords, Key, NULL, NULL, as);
+}
+
+
+static
+KEYVALUE* AddAvailableSampleID(cmsIT8* it8, const char* Key)
+{
+ return AddToList(it8, &it8->ValidSampleID, Key, NULL, NULL, WRITE_UNCOOKED);
+}
+
+
+static
+void AllocTable(cmsIT8* it8)
+{
+ TABLE* t;
+
+ t = it8 ->Tab + it8 ->TablesCount;
+
+ t->HeaderList = NULL;
+ t->DataFormat = NULL;
+ t->Data = NULL;
+
+ it8 ->TablesCount++;
+}
+
+
+cmsInt32Number CMSEXPORT cmsIT8SetTable(cmsHANDLE IT8, cmsUInt32Number nTable)
+{
+ cmsIT8* it8 = (cmsIT8*) IT8;
+
+ if (nTable >= it8 ->TablesCount) {
+
+ if (nTable == it8 ->TablesCount) {
+
+ AllocTable(it8);
+ }
+ else {
+ SynError(it8, "Table %d is out of sequence", nTable);
+ return -1;
+ }
+ }
+
+ it8 ->nTable = nTable;
+
+ return (cmsInt32Number) nTable;
+}
+
+
+
+// Init an empty container
+cmsHANDLE CMSEXPORT cmsIT8Alloc(cmsContext ContextID)
+{
+ cmsIT8* it8;
+ cmsUInt32Number i;
+
+ it8 = (cmsIT8*) _cmsMallocZero(ContextID, sizeof(cmsIT8));
+ if (it8 == NULL) return NULL;
+
+ AllocTable(it8);
+
+ it8->MemoryBlock = NULL;
+ it8->MemorySink = NULL;
+
+ it8 ->nTable = 0;
+
+ it8->ContextID = ContextID;
+ it8->Allocator.Used = 0;
+ it8->Allocator.Block = NULL;
+ it8->Allocator.BlockSize = 0;
+
+ it8->ValidKeywords = NULL;
+ it8->ValidSampleID = NULL;
+
+ it8 -> sy = SNONE;
+ it8 -> ch = ' ';
+ it8 -> Source = NULL;
+ it8 -> inum = 0;
+ it8 -> dnum = 0.0;
+
+ it8->FileStack[0] = (FILECTX*)AllocChunk(it8, sizeof(FILECTX));
+ it8->IncludeSP = 0;
+ it8 -> lineno = 1;
+
+ strcpy(it8->DoubleFormatter, DEFAULT_DBL_FORMAT);
+ cmsIT8SetSheetType((cmsHANDLE) it8, "CGATS.17");
+
+ // Initialize predefined properties & data
+
+ for (i=0; i < NUMPREDEFINEDPROPS; i++)
+ AddAvailableProperty(it8, PredefinedProperties[i].id, PredefinedProperties[i].as);
+
+ for (i=0; i < NUMPREDEFINEDSAMPLEID; i++)
+ AddAvailableSampleID(it8, PredefinedSampleID[i]);
+
+
+ return (cmsHANDLE) it8;
+}
+
+
+const char* CMSEXPORT cmsIT8GetSheetType(cmsHANDLE hIT8)
+{
+ return GetTable((cmsIT8*) hIT8)->SheetType;
+}
+
+cmsBool CMSEXPORT cmsIT8SetSheetType(cmsHANDLE hIT8, const char* Type)
+{
+ TABLE* t = GetTable((cmsIT8*) hIT8);
+
+ strncpy(t ->SheetType, Type, MAXSTR-1);
+ t ->SheetType[MAXSTR-1] = 0;
+ return TRUE;
+}
+
+cmsBool CMSEXPORT cmsIT8SetComment(cmsHANDLE hIT8, const char* Val)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ if (!Val) return FALSE;
+ if (!*Val) return FALSE;
+
+ return AddToList(it8, &GetTable(it8)->HeaderList, "# ", NULL, Val, WRITE_UNCOOKED) != NULL;
+}
+
+// Sets a property
+cmsBool CMSEXPORT cmsIT8SetPropertyStr(cmsHANDLE hIT8, const char* Key, const char *Val)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ if (!Val) return FALSE;
+ if (!*Val) return FALSE;
+
+ return AddToList(it8, &GetTable(it8)->HeaderList, Key, NULL, Val, WRITE_STRINGIFY) != NULL;
+}
+
+cmsBool CMSEXPORT cmsIT8SetPropertyDbl(cmsHANDLE hIT8, const char* cProp, cmsFloat64Number Val)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ char Buffer[1024];
+
+ sprintf(Buffer, it8->DoubleFormatter, Val);
+
+ return AddToList(it8, &GetTable(it8)->HeaderList, cProp, NULL, Buffer, WRITE_UNCOOKED) != NULL;
+}
+
+cmsBool CMSEXPORT cmsIT8SetPropertyHex(cmsHANDLE hIT8, const char* cProp, cmsUInt32Number Val)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ char Buffer[1024];
+
+ sprintf(Buffer, "%u", Val);
+
+ return AddToList(it8, &GetTable(it8)->HeaderList, cProp, NULL, Buffer, WRITE_HEXADECIMAL) != NULL;
+}
+
+cmsBool CMSEXPORT cmsIT8SetPropertyUncooked(cmsHANDLE hIT8, const char* Key, const char* Buffer)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ return AddToList(it8, &GetTable(it8)->HeaderList, Key, NULL, Buffer, WRITE_UNCOOKED) != NULL;
+}
+
+cmsBool CMSEXPORT cmsIT8SetPropertyMulti(cmsHANDLE hIT8, const char* Key, const char* SubKey, const char *Buffer)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ return AddToList(it8, &GetTable(it8)->HeaderList, Key, SubKey, Buffer, WRITE_PAIR) != NULL;
+}
+
+// Gets a property
+const char* CMSEXPORT cmsIT8GetProperty(cmsHANDLE hIT8, const char* Key)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ KEYVALUE* p;
+
+ if (IsAvailableOnList(GetTable(it8) -> HeaderList, Key, NULL, &p))
+ {
+ return p -> Value;
+ }
+ return NULL;
+}
+
+
+cmsFloat64Number CMSEXPORT cmsIT8GetPropertyDbl(cmsHANDLE hIT8, const char* cProp)
+{
+ const char *v = cmsIT8GetProperty(hIT8, cProp);
+
+ if (v == NULL) return 0.0;
+
+ return ParseFloatNumber(v);
+}
+
+const char* CMSEXPORT cmsIT8GetPropertyMulti(cmsHANDLE hIT8, const char* Key, const char *SubKey)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ KEYVALUE* p;
+
+ if (IsAvailableOnList(GetTable(it8) -> HeaderList, Key, SubKey, &p)) {
+ return p -> Value;
+ }
+ return NULL;
+}
+
+// ----------------------------------------------------------------- Datasets
+
+
+static
+void AllocateDataFormat(cmsIT8* it8)
+{
+ TABLE* t = GetTable(it8);
+
+ if (t -> DataFormat) return; // Already allocated
+
+ t -> nSamples = (int) cmsIT8GetPropertyDbl(it8, "NUMBER_OF_FIELDS");
+
+ if (t -> nSamples <= 0) {
+
+ SynError(it8, "AllocateDataFormat: Unknown NUMBER_OF_FIELDS");
+ t -> nSamples = 10;
+ }
+
+ t -> DataFormat = (char**) AllocChunk (it8, ((cmsUInt32Number) t->nSamples + 1) * sizeof(char *));
+ if (t->DataFormat == NULL) {
+
+ SynError(it8, "AllocateDataFormat: Unable to allocate dataFormat array");
+ }
+
+}
+
+static
+const char *GetDataFormat(cmsIT8* it8, int n)
+{
+ TABLE* t = GetTable(it8);
+
+ if (t->DataFormat)
+ return t->DataFormat[n];
+
+ return NULL;
+}
+
+static
+cmsBool SetDataFormat(cmsIT8* it8, int n, const char *label)
+{
+ TABLE* t = GetTable(it8);
+
+ if (!t->DataFormat)
+ AllocateDataFormat(it8);
+
+ if (n > t -> nSamples) {
+ SynError(it8, "More than NUMBER_OF_FIELDS fields.");
+ return FALSE;
+ }
+
+ if (t->DataFormat) {
+ t->DataFormat[n] = AllocString(it8, label);
+ }
+
+ return TRUE;
+}
+
+
+cmsBool CMSEXPORT cmsIT8SetDataFormat(cmsHANDLE h, int n, const char *Sample)
+{
+ cmsIT8* it8 = (cmsIT8*) h;
+ return SetDataFormat(it8, n, Sample);
+}
+
+static
+void AllocateDataSet(cmsIT8* it8)
+{
+ TABLE* t = GetTable(it8);
+
+ if (t -> Data) return; // Already allocated
+
+ t-> nSamples = atoi(cmsIT8GetProperty(it8, "NUMBER_OF_FIELDS"));
+ t-> nPatches = atoi(cmsIT8GetProperty(it8, "NUMBER_OF_SETS"));
+
+ t-> Data = (char**)AllocChunk (it8, ((cmsUInt32Number) t->nSamples + 1) * ((cmsUInt32Number) t->nPatches + 1) *sizeof (char*));
+ if (t->Data == NULL) {
+
+ SynError(it8, "AllocateDataSet: Unable to allocate data array");
+ }
+
+}
+
+static
+char* GetData(cmsIT8* it8, int nSet, int nField)
+{
+ TABLE* t = GetTable(it8);
+ int nSamples = t -> nSamples;
+ int nPatches = t -> nPatches;
+
+ if (nSet >= nPatches || nField >= nSamples)
+ return NULL;
+
+ if (!t->Data) return NULL;
+ return t->Data [nSet * nSamples + nField];
+}
+
+static
+cmsBool SetData(cmsIT8* it8, int nSet, int nField, const char *Val)
+{
+ TABLE* t = GetTable(it8);
+
+ if (!t->Data)
+ AllocateDataSet(it8);
+
+ if (!t->Data) return FALSE;
+
+ if (nSet > t -> nPatches || nSet < 0) {
+
+ return SynError(it8, "Patch %d out of range, there are %d patches", nSet, t -> nPatches);
+ }
+
+ if (nField > t ->nSamples || nField < 0) {
+ return SynError(it8, "Sample %d out of range, there are %d samples", nField, t ->nSamples);
+
+ }
+
+ t->Data [nSet * t -> nSamples + nField] = AllocString(it8, Val);
+ return TRUE;
+}
+
+
+// --------------------------------------------------------------- File I/O
+
+
+// Writes a string to file
+static
+void WriteStr(SAVESTREAM* f, const char *str)
+{
+ cmsUInt32Number len;
+
+ if (str == NULL)
+ str = " ";
+
+ // Length to write
+ len = (cmsUInt32Number) strlen(str);
+ f ->Used += len;
+
+
+ if (f ->stream) { // Should I write it to a file?
+
+ if (fwrite(str, 1, len, f->stream) != len) {
+ cmsSignalError(0, cmsERROR_WRITE, "Write to file error in CGATS parser");
+ return;
+ }
+
+ }
+ else { // Or to a memory block?
+
+ if (f ->Base) { // Am I just counting the bytes?
+
+ if (f ->Used > f ->Max) {
+
+ cmsSignalError(0, cmsERROR_WRITE, "Write to memory overflows in CGATS parser");
+ return;
+ }
+
+ memmove(f ->Ptr, str, len);
+ f->Ptr += len;
+ }
+
+ }
+}
+
+
+// Write formatted
+
+static
+void Writef(SAVESTREAM* f, const char* frm, ...)
+{
+ char Buffer[4096];
+ va_list args;
+
+ va_start(args, frm);
+ vsnprintf(Buffer, 4095, frm, args);
+ Buffer[4095] = 0;
+ WriteStr(f, Buffer);
+ va_end(args);
+
+}
+
+// Writes full header
+static
+void WriteHeader(cmsIT8* it8, SAVESTREAM* fp)
+{
+ KEYVALUE* p;
+ TABLE* t = GetTable(it8);
+
+ // Writes the type
+ WriteStr(fp, t->SheetType);
+ WriteStr(fp, "\n");
+
+ for (p = t->HeaderList; (p != NULL); p = p->Next)
+ {
+ if (*p ->Keyword == '#') {
+
+ char* Pt;
+
+ WriteStr(fp, "#\n# ");
+ for (Pt = p ->Value; *Pt; Pt++) {
+
+
+ Writef(fp, "%c", *Pt);
+
+ if (*Pt == '\n') {
+ WriteStr(fp, "# ");
+ }
+ }
+
+ WriteStr(fp, "\n#\n");
+ continue;
+ }
+
+
+ if (!IsAvailableOnList(it8-> ValidKeywords, p->Keyword, NULL, NULL)) {
+
+#ifdef CMS_STRICT_CGATS
+ WriteStr(fp, "KEYWORD\t\"");
+ WriteStr(fp, p->Keyword);
+ WriteStr(fp, "\"\n");
+#endif
+
+ AddAvailableProperty(it8, p->Keyword, WRITE_UNCOOKED);
+ }
+
+ WriteStr(fp, p->Keyword);
+ if (p->Value) {
+
+ switch (p ->WriteAs) {
+
+ case WRITE_UNCOOKED:
+ Writef(fp, "\t%s", p ->Value);
+ break;
+
+ case WRITE_STRINGIFY:
+ Writef(fp, "\t\"%s\"", p->Value );
+ break;
+
+ case WRITE_HEXADECIMAL:
+ Writef(fp, "\t0x%X", atoi(p ->Value));
+ break;
+
+ case WRITE_BINARY:
+ Writef(fp, "\t0x%B", atoi(p ->Value));
+ break;
+
+ case WRITE_PAIR:
+ Writef(fp, "\t\"%s,%s\"", p->Subkey, p->Value);
+ break;
+
+ default: SynError(it8, "Unknown write mode %d", p ->WriteAs);
+ return;
+ }
+ }
+
+ WriteStr (fp, "\n");
+ }
+
+}
+
+
+// Writes the data format
+static
+void WriteDataFormat(SAVESTREAM* fp, cmsIT8* it8)
+{
+ int i, nSamples;
+ TABLE* t = GetTable(it8);
+
+ if (!t -> DataFormat) return;
+
+ WriteStr(fp, "BEGIN_DATA_FORMAT\n");
+ WriteStr(fp, " ");
+ nSamples = atoi(cmsIT8GetProperty(it8, "NUMBER_OF_FIELDS"));
+
+ for (i = 0; i < nSamples; i++) {
+
+ WriteStr(fp, t->DataFormat[i]);
+ WriteStr(fp, ((i == (nSamples-1)) ? "\n" : "\t"));
+ }
+
+ WriteStr (fp, "END_DATA_FORMAT\n");
+}
+
+
+// Writes data array
+static
+void WriteData(SAVESTREAM* fp, cmsIT8* it8)
+{
+ int i, j;
+ TABLE* t = GetTable(it8);
+
+ if (!t->Data) return;
+
+ WriteStr (fp, "BEGIN_DATA\n");
+
+ t->nPatches = atoi(cmsIT8GetProperty(it8, "NUMBER_OF_SETS"));
+
+ for (i = 0; i < t-> nPatches; i++) {
+
+ WriteStr(fp, " ");
+
+ for (j = 0; j < t->nSamples; j++) {
+
+ char *ptr = t->Data[i*t->nSamples+j];
+
+ if (ptr == NULL) WriteStr(fp, "\"\"");
+ else {
+ // If value contains whitespace, enclose within quote
+
+ if (strchr(ptr, ' ') != NULL) {
+
+ WriteStr(fp, "\"");
+ WriteStr(fp, ptr);
+ WriteStr(fp, "\"");
+ }
+ else
+ WriteStr(fp, ptr);
+ }
+
+ WriteStr(fp, ((j == (t->nSamples-1)) ? "\n" : "\t"));
+ }
+ }
+ WriteStr (fp, "END_DATA\n");
+}
+
+
+
+// Saves whole file
+cmsBool CMSEXPORT cmsIT8SaveToFile(cmsHANDLE hIT8, const char* cFileName)
+{
+ SAVESTREAM sd;
+ cmsUInt32Number i;
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ memset(&sd, 0, sizeof(sd));
+
+ sd.stream = fopen(cFileName, "wt");
+ if (!sd.stream) return FALSE;
+
+ for (i=0; i < it8 ->TablesCount; i++) {
+
+ cmsIT8SetTable(hIT8, i);
+ WriteHeader(it8, &sd);
+ WriteDataFormat(&sd, it8);
+ WriteData(&sd, it8);
+ }
+
+ if (fclose(sd.stream) != 0) return FALSE;
+
+ return TRUE;
+}
+
+
+// Saves to memory
+cmsBool CMSEXPORT cmsIT8SaveToMem(cmsHANDLE hIT8, void *MemPtr, cmsUInt32Number* BytesNeeded)
+{
+ SAVESTREAM sd;
+ cmsUInt32Number i;
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ memset(&sd, 0, sizeof(sd));
+
+ sd.stream = NULL;
+ sd.Base = (cmsUInt8Number*) MemPtr;
+ sd.Ptr = sd.Base;
+
+ sd.Used = 0;
+
+ if (sd.Base)
+ sd.Max = *BytesNeeded; // Write to memory?
+ else
+ sd.Max = 0; // Just counting the needed bytes
+
+ for (i=0; i < it8 ->TablesCount; i++) {
+
+ cmsIT8SetTable(hIT8, i);
+ WriteHeader(it8, &sd);
+ WriteDataFormat(&sd, it8);
+ WriteData(&sd, it8);
+ }
+
+ sd.Used++; // The \0 at the very end
+
+ if (sd.Base)
+ *sd.Ptr = 0;
+
+ *BytesNeeded = sd.Used;
+
+ return TRUE;
+}
+
+
+// -------------------------------------------------------------- Higer level parsing
+
+static
+cmsBool DataFormatSection(cmsIT8* it8)
+{
+ int iField = 0;
+ TABLE* t = GetTable(it8);
+
+ InSymbol(it8); // Eats "BEGIN_DATA_FORMAT"
+ CheckEOLN(it8);
+
+ while (it8->sy != SEND_DATA_FORMAT &&
+ it8->sy != SEOLN &&
+ it8->sy != SEOF &&
+ it8->sy != SSYNERROR) {
+
+ if (it8->sy != SIDENT) {
+
+ return SynError(it8, "Sample type expected");
+ }
+
+ if (!SetDataFormat(it8, iField, it8->id)) return FALSE;
+ iField++;
+
+ InSymbol(it8);
+ SkipEOLN(it8);
+ }
+
+ SkipEOLN(it8);
+ Skip(it8, SEND_DATA_FORMAT);
+ SkipEOLN(it8);
+
+ if (iField != t ->nSamples) {
+ SynError(it8, "Count mismatch. NUMBER_OF_FIELDS was %d, found %d\n", t ->nSamples, iField);
+
+
+ }
+
+ return TRUE;
+}
+
+
+
+static
+cmsBool DataSection (cmsIT8* it8)
+{
+ int iField = 0;
+ int iSet = 0;
+ char Buffer[256];
+ TABLE* t = GetTable(it8);
+
+ InSymbol(it8); // Eats "BEGIN_DATA"
+ CheckEOLN(it8);
+
+ if (!t->Data)
+ AllocateDataSet(it8);
+
+ while (it8->sy != SEND_DATA && it8->sy != SEOF)
+ {
+ if (iField >= t -> nSamples) {
+ iField = 0;
+ iSet++;
+
+ }
+
+ if (it8->sy != SEND_DATA && it8->sy != SEOF) {
+
+ if (!GetVal(it8, Buffer, 255, "Sample data expected"))
+ return FALSE;
+
+ if (!SetData(it8, iSet, iField, Buffer))
+ return FALSE;
+
+ iField++;
+
+ InSymbol(it8);
+ SkipEOLN(it8);
+ }
+ }
+
+ SkipEOLN(it8);
+ Skip(it8, SEND_DATA);
+ SkipEOLN(it8);
+
+ // Check for data completion.
+
+ if ((iSet+1) != t -> nPatches)
+ return SynError(it8, "Count mismatch. NUMBER_OF_SETS was %d, found %d\n", t ->nPatches, iSet+1);
+
+ return TRUE;
+}
+
+
+
+
+static
+cmsBool HeaderSection(cmsIT8* it8)
+{
+ char VarName[MAXID];
+ char Buffer[MAXSTR];
+ KEYVALUE* Key;
+
+ while (it8->sy != SEOF &&
+ it8->sy != SSYNERROR &&
+ it8->sy != SBEGIN_DATA_FORMAT &&
+ it8->sy != SBEGIN_DATA) {
+
+
+ switch (it8 -> sy) {
+
+ case SKEYWORD:
+ InSymbol(it8);
+ if (!GetVal(it8, Buffer, MAXSTR-1, "Keyword expected")) return FALSE;
+ if (!AddAvailableProperty(it8, Buffer, WRITE_UNCOOKED)) return FALSE;
+ InSymbol(it8);
+ break;
+
+
+ case SDATA_FORMAT_ID:
+ InSymbol(it8);
+ if (!GetVal(it8, Buffer, MAXSTR-1, "Keyword expected")) return FALSE;
+ if (!AddAvailableSampleID(it8, Buffer)) return FALSE;
+ InSymbol(it8);
+ break;
+
+
+ case SIDENT:
+ strncpy(VarName, it8->id, MAXID-1);
+ VarName[MAXID-1] = 0;
+
+ if (!IsAvailableOnList(it8-> ValidKeywords, VarName, NULL, &Key)) {
+
+#ifdef CMS_STRICT_CGATS
+ return SynError(it8, "Undefined keyword '%s'", VarName);
+#else
+ Key = AddAvailableProperty(it8, VarName, WRITE_UNCOOKED);
+ if (Key == NULL) return FALSE;
+#endif
+ }
+
+ InSymbol(it8);
+ if (!GetVal(it8, Buffer, MAXSTR-1, "Property data expected")) return FALSE;
+
+ if(Key->WriteAs != WRITE_PAIR) {
+ AddToList(it8, &GetTable(it8)->HeaderList, VarName, NULL, Buffer,
+ (it8->sy == SSTRING) ? WRITE_STRINGIFY : WRITE_UNCOOKED);
+ }
+ else {
+ const char *Subkey;
+ char *Nextkey;
+ if (it8->sy != SSTRING)
+ return SynError(it8, "Invalid value '%s' for property '%s'.", Buffer, VarName);
+
+ // chop the string as a list of "subkey, value" pairs, using ';' as a separator
+ for (Subkey = Buffer; Subkey != NULL; Subkey = Nextkey)
+ {
+ char *Value, *temp;
+
+ // identify token pair boundary
+ Nextkey = (char*) strchr(Subkey, ';');
+ if(Nextkey)
+ *Nextkey++ = '\0';
+
+ // for each pair, split the subkey and the value
+ Value = (char*) strrchr(Subkey, ',');
+ if(Value == NULL)
+ return SynError(it8, "Invalid value for property '%s'.", VarName);
+
+ // gobble the spaces before the coma, and the coma itself
+ temp = Value++;
+ do *temp-- = '\0'; while(temp >= Subkey && *temp == ' ');
+
+ // gobble any space at the right
+ temp = Value + strlen(Value) - 1;
+ while(*temp == ' ') *temp-- = '\0';
+
+ // trim the strings from the left
+ Subkey += strspn(Subkey, " ");
+ Value += strspn(Value, " ");
+
+ if(Subkey[0] == 0 || Value[0] == 0)
+ return SynError(it8, "Invalid value for property '%s'.", VarName);
+ AddToList(it8, &GetTable(it8)->HeaderList, VarName, Subkey, Value, WRITE_PAIR);
+ }
+ }
+
+ InSymbol(it8);
+ break;
+
+
+ case SEOLN: break;
+
+ default:
+ return SynError(it8, "expected keyword or identifier");
+ }
+
+ SkipEOLN(it8);
+ }
+
+ return TRUE;
+
+}
+
+
+static
+void ReadType(cmsIT8* it8, char* SheetTypePtr)
+{
+ // First line is a very special case.
+
+ while (isseparator(it8->ch))
+ NextCh(it8);
+
+ while (it8->ch != '\r' && it8 ->ch != '\n' && it8->ch != '\t' && it8 -> ch != -1) {
+
+ *SheetTypePtr++= (char) it8 ->ch;
+ NextCh(it8);
+ }
+
+ *SheetTypePtr = 0;
+}
+
+
+static
+cmsBool ParseIT8(cmsIT8* it8, cmsBool nosheet)
+{
+ char* SheetTypePtr = it8 ->Tab[0].SheetType;
+
+ if (nosheet == 0) {
+ ReadType(it8, SheetTypePtr);
+ }
+
+ InSymbol(it8);
+
+ SkipEOLN(it8);
+
+ while (it8-> sy != SEOF &&
+ it8-> sy != SSYNERROR) {
+
+ switch (it8 -> sy) {
+
+ case SBEGIN_DATA_FORMAT:
+ if (!DataFormatSection(it8)) return FALSE;
+ break;
+
+ case SBEGIN_DATA:
+
+ if (!DataSection(it8)) return FALSE;
+
+ if (it8 -> sy != SEOF) {
+
+ AllocTable(it8);
+ it8 ->nTable = it8 ->TablesCount - 1;
+
+ // Read sheet type if present. We only support identifier and string.
+ // <ident> <eoln> is a type string
+ // anything else, is not a type string
+ if (nosheet == 0) {
+
+ if (it8 ->sy == SIDENT) {
+
+ // May be a type sheet or may be a prop value statement. We cannot use insymbol in
+ // this special case...
+ while (isseparator(it8->ch))
+ NextCh(it8);
+
+ // If a newline is found, then this is a type string
+ if (it8 ->ch == '\n' || it8->ch == '\r') {
+
+ cmsIT8SetSheetType(it8, it8 ->id);
+ InSymbol(it8);
+ }
+ else
+ {
+ // It is not. Just continue
+ cmsIT8SetSheetType(it8, "");
+ }
+ }
+ else
+ // Validate quoted strings
+ if (it8 ->sy == SSTRING) {
+ cmsIT8SetSheetType(it8, it8 ->str);
+ InSymbol(it8);
+ }
+ }
+
+ }
+ break;
+
+ case SEOLN:
+ SkipEOLN(it8);
+ break;
+
+ default:
+ if (!HeaderSection(it8)) return FALSE;
+ }
+
+ }
+
+ return (it8 -> sy != SSYNERROR);
+}
+
+
+
+// Init usefull pointers
+
+static
+void CookPointers(cmsIT8* it8)
+{
+ int idField, i;
+ char* Fld;
+ cmsUInt32Number j;
+ cmsUInt32Number nOldTable = it8 ->nTable;
+
+ for (j=0; j < it8 ->TablesCount; j++) {
+
+ TABLE* t = it8 ->Tab + j;
+
+ t -> SampleID = 0;
+ it8 ->nTable = j;
+
+ for (idField = 0; idField < t -> nSamples; idField++)
+ {
+ if (t ->DataFormat == NULL){
+ SynError(it8, "Undefined DATA_FORMAT");
+ return;
+ }
+
+ Fld = t->DataFormat[idField];
+ if (!Fld) continue;
+
+
+ if (cmsstrcasecmp(Fld, "SAMPLE_ID") == 0) {
+
+ t -> SampleID = idField;
+
+ for (i=0; i < t -> nPatches; i++) {
+
+ char *Data = GetData(it8, i, idField);
+ if (Data) {
+ char Buffer[256];
+
+ strncpy(Buffer, Data, 255);
+ Buffer[255] = 0;
+
+ if (strlen(Buffer) <= strlen(Data))
+ strcpy(Data, Buffer);
+ else
+ SetData(it8, i, idField, Buffer);
+
+ }
+ }
+
+ }
+
+ // "LABEL" is an extension. It keeps references to forward tables
+
+ if ((cmsstrcasecmp(Fld, "LABEL") == 0) || Fld[0] == '$' ) {
+
+ // Search for table references...
+ for (i=0; i < t -> nPatches; i++) {
+
+ char *Label = GetData(it8, i, idField);
+
+ if (Label) {
+
+ cmsUInt32Number k;
+
+ // This is the label, search for a table containing
+ // this property
+
+ for (k=0; k < it8 ->TablesCount; k++) {
+
+ TABLE* Table = it8 ->Tab + k;
+ KEYVALUE* p;
+
+ if (IsAvailableOnList(Table->HeaderList, Label, NULL, &p)) {
+
+ // Available, keep type and table
+ char Buffer[256];
+
+ char *Type = p ->Value;
+ int nTable = (int) k;
+
+ snprintf(Buffer, 255, "%s %d %s", Label, nTable, Type );
+
+ SetData(it8, i, idField, Buffer);
+ }
+ }
+
+
+ }
+
+ }
+
+
+ }
+
+ }
+ }
+
+ it8 ->nTable = nOldTable;
+}
+
+// Try to infere if the file is a CGATS/IT8 file at all. Read first line
+// that should be something like some printable characters plus a \n
+// returns 0 if this is not like a CGATS, or an integer otherwise. This integer is the number of words in first line?
+static
+int IsMyBlock(cmsUInt8Number* Buffer, int n)
+{
+ int words = 1, space = 0, quot = 0;
+ int i;
+
+ if (n < 10) return 0; // Too small
+
+ if (n > 132)
+ n = 132;
+
+ for (i = 1; i < n; i++) {
+
+ switch(Buffer[i])
+ {
+ case '\n':
+ case '\r':
+ return ((quot == 1) || (words > 2)) ? 0 : words;
+ case '\t':
+ case ' ':
+ if(!quot && !space)
+ space = 1;
+ break;
+ case '\"':
+ quot = !quot;
+ break;
+ default:
+ if (Buffer[i] < 32) return 0;
+ if (Buffer[i] > 127) return 0;
+ words += space;
+ space = 0;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+static
+cmsBool IsMyFile(const char* FileName)
+{
+ FILE *fp;
+ cmsUInt32Number Size;
+ cmsUInt8Number Ptr[133];
+
+ fp = fopen(FileName, "rt");
+ if (!fp) {
+ cmsSignalError(0, cmsERROR_FILE, "File '%s' not found", FileName);
+ return FALSE;
+ }
+
+ Size = (cmsUInt32Number) fread(Ptr, 1, 132, fp);
+
+ if (fclose(fp) != 0)
+ return FALSE;
+
+ Ptr[Size] = '\0';
+
+ return IsMyBlock(Ptr, Size);
+}
+
+// ---------------------------------------------------------- Exported routines
+
+
+cmsHANDLE CMSEXPORT cmsIT8LoadFromMem(cmsContext ContextID, void *Ptr, cmsUInt32Number len)
+{
+ cmsHANDLE hIT8;
+ cmsIT8* it8;
+ int type;
+
+ _cmsAssert(Ptr != NULL);
+ _cmsAssert(len != 0);
+
+ type = IsMyBlock((cmsUInt8Number*)Ptr, len);
+ if (type == 0) return NULL;
+
+ hIT8 = cmsIT8Alloc(ContextID);
+ if (!hIT8) return NULL;
+
+ it8 = (cmsIT8*) hIT8;
+ it8 ->MemoryBlock = (char*) _cmsMalloc(ContextID, len + 1);
+
+ strncpy(it8 ->MemoryBlock, (const char*) Ptr, len);
+ it8 ->MemoryBlock[len] = 0;
+
+ strncpy(it8->FileStack[0]->FileName, "", cmsMAX_PATH-1);
+ it8-> Source = it8 -> MemoryBlock;
+
+ if (!ParseIT8(it8, type-1)) {
+
+ cmsIT8Free(hIT8);
+ return FALSE;
+ }
+
+ CookPointers(it8);
+ it8 ->nTable = 0;
+
+ _cmsFree(ContextID, it8->MemoryBlock);
+ it8 -> MemoryBlock = NULL;
+
+ return hIT8;
+
+
+}
+
+
+cmsHANDLE CMSEXPORT cmsIT8LoadFromFile(cmsContext ContextID, const char* cFileName)
+{
+
+ cmsHANDLE hIT8;
+ cmsIT8* it8;
+ int type;
+
+ _cmsAssert(cFileName != NULL);
+
+ type = IsMyFile(cFileName);
+ if (type == 0) return NULL;
+
+ hIT8 = cmsIT8Alloc(ContextID);
+ it8 = (cmsIT8*) hIT8;
+ if (!hIT8) return NULL;
+
+
+ it8 ->FileStack[0]->Stream = fopen(cFileName, "rt");
+
+ if (!it8 ->FileStack[0]->Stream) {
+ cmsIT8Free(hIT8);
+ return NULL;
+ }
+
+
+ strncpy(it8->FileStack[0]->FileName, cFileName, cmsMAX_PATH-1);
+ it8->FileStack[0]->FileName[cmsMAX_PATH-1] = 0;
+
+ if (!ParseIT8(it8, type-1)) {
+
+ fclose(it8 ->FileStack[0]->Stream);
+ cmsIT8Free(hIT8);
+ return NULL;
+ }
+
+ CookPointers(it8);
+ it8 ->nTable = 0;
+
+ if (fclose(it8 ->FileStack[0]->Stream)!= 0) {
+ cmsIT8Free(hIT8);
+ return NULL;
+ }
+
+ return hIT8;
+
+}
+
+int CMSEXPORT cmsIT8EnumDataFormat(cmsHANDLE hIT8, char ***SampleNames)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ TABLE* t;
+
+ _cmsAssert(hIT8 != NULL);
+
+ t = GetTable(it8);
+
+ if (SampleNames)
+ *SampleNames = t -> DataFormat;
+ return t -> nSamples;
+}
+
+
+cmsUInt32Number CMSEXPORT cmsIT8EnumProperties(cmsHANDLE hIT8, char ***PropertyNames)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ KEYVALUE* p;
+ cmsUInt32Number n;
+ char **Props;
+ TABLE* t;
+
+ _cmsAssert(hIT8 != NULL);
+
+ t = GetTable(it8);
+
+ // Pass#1 - count properties
+
+ n = 0;
+ for (p = t -> HeaderList; p != NULL; p = p->Next) {
+ n++;
+ }
+
+
+ Props = (char **) AllocChunk(it8, sizeof(char *) * n);
+
+ // Pass#2 - Fill pointers
+ n = 0;
+ for (p = t -> HeaderList; p != NULL; p = p->Next) {
+ Props[n++] = p -> Keyword;
+ }
+
+ *PropertyNames = Props;
+ return n;
+}
+
+cmsUInt32Number CMSEXPORT cmsIT8EnumPropertyMulti(cmsHANDLE hIT8, const char* cProp, const char ***SubpropertyNames)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ KEYVALUE *p, *tmp;
+ cmsUInt32Number n;
+ const char **Props;
+ TABLE* t;
+
+ _cmsAssert(hIT8 != NULL);
+
+
+ t = GetTable(it8);
+
+ if(!IsAvailableOnList(t->HeaderList, cProp, NULL, &p)) {
+ *SubpropertyNames = 0;
+ return 0;
+ }
+
+ // Pass#1 - count properties
+
+ n = 0;
+ for (tmp = p; tmp != NULL; tmp = tmp->NextSubkey) {
+ if(tmp->Subkey != NULL)
+ n++;
+ }
+
+
+ Props = (const char **) AllocChunk(it8, sizeof(char *) * n);
+
+ // Pass#2 - Fill pointers
+ n = 0;
+ for (tmp = p; tmp != NULL; tmp = tmp->NextSubkey) {
+ if(tmp->Subkey != NULL)
+ Props[n++] = p ->Subkey;
+ }
+
+ *SubpropertyNames = Props;
+ return n;
+}
+
+static
+int LocatePatch(cmsIT8* it8, const char* cPatch)
+{
+ int i;
+ const char *data;
+ TABLE* t = GetTable(it8);
+
+ for (i=0; i < t-> nPatches; i++) {
+
+ data = GetData(it8, i, t->SampleID);
+
+ if (data != NULL) {
+
+ if (cmsstrcasecmp(data, cPatch) == 0)
+ return i;
+ }
+ }
+
+ // SynError(it8, "Couldn't find patch '%s'\n", cPatch);
+ return -1;
+}
+
+
+static
+int LocateEmptyPatch(cmsIT8* it8)
+{
+ int i;
+ const char *data;
+ TABLE* t = GetTable(it8);
+
+ for (i=0; i < t-> nPatches; i++) {
+
+ data = GetData(it8, i, t->SampleID);
+
+ if (data == NULL)
+ return i;
+
+ }
+
+ return -1;
+}
+
+static
+int LocateSample(cmsIT8* it8, const char* cSample)
+{
+ int i;
+ const char *fld;
+ TABLE* t = GetTable(it8);
+
+ for (i=0; i < t->nSamples; i++) {
+
+ fld = GetDataFormat(it8, i);
+ if (cmsstrcasecmp(fld, cSample) == 0)
+ return i;
+ }
+
+ return -1;
+
+}
+
+
+int CMSEXPORT cmsIT8FindDataFormat(cmsHANDLE hIT8, const char* cSample)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ _cmsAssert(hIT8 != NULL);
+
+ return LocateSample(it8, cSample);
+}
+
+
+
+const char* CMSEXPORT cmsIT8GetDataRowCol(cmsHANDLE hIT8, int row, int col)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ _cmsAssert(hIT8 != NULL);
+
+ return GetData(it8, row, col);
+}
+
+
+cmsFloat64Number CMSEXPORT cmsIT8GetDataRowColDbl(cmsHANDLE hIT8, int row, int col)
+{
+ const char* Buffer;
+
+ Buffer = cmsIT8GetDataRowCol(hIT8, row, col);
+
+ if (Buffer == NULL) return 0.0;
+
+ return ParseFloatNumber(Buffer);
+}
+
+
+cmsBool CMSEXPORT cmsIT8SetDataRowCol(cmsHANDLE hIT8, int row, int col, const char* Val)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ _cmsAssert(hIT8 != NULL);
+
+ return SetData(it8, row, col, Val);
+}
+
+
+cmsBool CMSEXPORT cmsIT8SetDataRowColDbl(cmsHANDLE hIT8, int row, int col, cmsFloat64Number Val)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ char Buff[256];
+
+ _cmsAssert(hIT8 != NULL);
+
+ sprintf(Buff, it8->DoubleFormatter, Val);
+
+ return SetData(it8, row, col, Buff);
+}
+
+
+
+const char* CMSEXPORT cmsIT8GetData(cmsHANDLE hIT8, const char* cPatch, const char* cSample)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ int iField, iSet;
+
+ _cmsAssert(hIT8 != NULL);
+
+ iField = LocateSample(it8, cSample);
+ if (iField < 0) {
+ return NULL;
+ }
+
+ iSet = LocatePatch(it8, cPatch);
+ if (iSet < 0) {
+ return NULL;
+ }
+
+ return GetData(it8, iSet, iField);
+}
+
+
+cmsFloat64Number CMSEXPORT cmsIT8GetDataDbl(cmsHANDLE it8, const char* cPatch, const char* cSample)
+{
+ const char* Buffer;
+
+ Buffer = cmsIT8GetData(it8, cPatch, cSample);
+
+ return ParseFloatNumber(Buffer);
+}
+
+
+
+cmsBool CMSEXPORT cmsIT8SetData(cmsHANDLE hIT8, const char* cPatch, const char* cSample, const char *Val)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ int iField, iSet;
+ TABLE* t;
+
+ _cmsAssert(hIT8 != NULL);
+
+ t = GetTable(it8);
+
+ iField = LocateSample(it8, cSample);
+
+ if (iField < 0)
+ return FALSE;
+
+ if (t-> nPatches == 0) {
+
+ AllocateDataFormat(it8);
+ AllocateDataSet(it8);
+ CookPointers(it8);
+ }
+
+ if (cmsstrcasecmp(cSample, "SAMPLE_ID") == 0) {
+
+ iSet = LocateEmptyPatch(it8);
+ if (iSet < 0) {
+ return SynError(it8, "Couldn't add more patches '%s'\n", cPatch);
+ }
+
+ iField = t -> SampleID;
+ }
+ else {
+ iSet = LocatePatch(it8, cPatch);
+ if (iSet < 0) {
+ return FALSE;
+ }
+ }
+
+ return SetData(it8, iSet, iField, Val);
+}
+
+
+cmsBool CMSEXPORT cmsIT8SetDataDbl(cmsHANDLE hIT8, const char* cPatch,
+ const char* cSample,
+ cmsFloat64Number Val)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ char Buff[256];
+
+ _cmsAssert(hIT8 != NULL);
+
+ snprintf(Buff, 255, it8->DoubleFormatter, Val);
+ return cmsIT8SetData(hIT8, cPatch, cSample, Buff);
+}
+
+// Buffer should get MAXSTR at least
+
+const char* CMSEXPORT cmsIT8GetPatchName(cmsHANDLE hIT8, int nPatch, char* buffer)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ TABLE* t;
+ char* Data;
+
+ _cmsAssert(hIT8 != NULL);
+
+ t = GetTable(it8);
+ Data = GetData(it8, nPatch, t->SampleID);
+
+ if (!Data) return NULL;
+ if (!buffer) return Data;
+
+ strncpy(buffer, Data, MAXSTR-1);
+ buffer[MAXSTR-1] = 0;
+ return buffer;
+}
+
+int CMSEXPORT cmsIT8GetPatchByName(cmsHANDLE hIT8, const char *cPatch)
+{
+ _cmsAssert(hIT8 != NULL);
+
+ return LocatePatch((cmsIT8*)hIT8, cPatch);
+}
+
+cmsUInt32Number CMSEXPORT cmsIT8TableCount(cmsHANDLE hIT8)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ _cmsAssert(hIT8 != NULL);
+
+ return it8 ->TablesCount;
+}
+
+// This handles the "LABEL" extension.
+// Label, nTable, Type
+
+int CMSEXPORT cmsIT8SetTableByLabel(cmsHANDLE hIT8, const char* cSet, const char* cField, const char* ExpectedType)
+{
+ const char* cLabelFld;
+ char Type[256], Label[256];
+ int nTable;
+
+ _cmsAssert(hIT8 != NULL);
+
+ if (cField != NULL && *cField == 0)
+ cField = "LABEL";
+
+ if (cField == NULL)
+ cField = "LABEL";
+
+ cLabelFld = cmsIT8GetData(hIT8, cSet, cField);
+ if (!cLabelFld) return -1;
+
+ if (sscanf(cLabelFld, "%255s %d %255s", Label, &nTable, Type) != 3)
+ return -1;
+
+ if (ExpectedType != NULL && *ExpectedType == 0)
+ ExpectedType = NULL;
+
+ if (ExpectedType) {
+
+ if (cmsstrcasecmp(Type, ExpectedType) != 0) return -1;
+ }
+
+ return cmsIT8SetTable(hIT8, nTable);
+}
+
+
+cmsBool CMSEXPORT cmsIT8SetIndexColumn(cmsHANDLE hIT8, const char* cSample)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+ int pos;
+
+ _cmsAssert(hIT8 != NULL);
+
+ pos = LocateSample(it8, cSample);
+ if(pos == -1)
+ return FALSE;
+
+ it8->Tab[it8->nTable].SampleID = pos;
+ return TRUE;
+}
+
+
+void CMSEXPORT cmsIT8DefineDblFormat(cmsHANDLE hIT8, const char* Formatter)
+{
+ cmsIT8* it8 = (cmsIT8*) hIT8;
+
+ _cmsAssert(hIT8 != NULL);
+
+ if (Formatter == NULL)
+ strcpy(it8->DoubleFormatter, DEFAULT_DBL_FORMAT);
+ else
+ strncpy(it8->DoubleFormatter, Formatter, sizeof(it8->DoubleFormatter));
+
+ it8 ->DoubleFormatter[sizeof(it8 ->DoubleFormatter)-1] = 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 18:24:28 +0000