--- /dev/null
+
+/*
+ * CINELERRA
+ * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+
+#include "bchash.h"
+#include "bcsignals.h"
+#include "filesystem.h"
+
+BC_Hash::BC_Hash()
+{
+ this->filename[0] = 0;
+ total = 0;
+ allocated = 0;
+ names = 0;
+ values = 0;
+}
+
+BC_Hash::BC_Hash(const char *filename)
+{
+ strcpy(this->filename, filename);
+ total = 0;
+ allocated = 0;
+ names = 0;
+ values = 0;
+
+ FileSystem directory;
+
+ directory.parse_tildas(this->filename);
+}
+
+void BC_Hash::clear()
+{
+ for(int i = 0; i < total; i++)
+ {
+ delete [] names[i];
+ delete [] values[i];
+ }
+ total = 0;
+}
+
+BC_Hash::~BC_Hash()
+{
+ clear();
+ delete [] names;
+ delete [] values;
+}
+
+void BC_Hash::reallocate_table(int new_total)
+{
+ if(allocated < new_total)
+ {
+ int new_allocated = new_total * 2;
+ char **new_names = new char*[new_allocated];
+ char **new_values = new char*[new_allocated];
+
+ for(int i = 0; i < total; i++)
+ {
+ new_names[i] = names[i];
+ new_values[i] = values[i];
+ }
+
+ delete [] names;
+ delete [] values;
+
+ names = new_names;
+ values = new_values;
+ allocated = new_allocated;
+ }
+}
+
+int BC_Hash::load_file(FILE *fp)
+{
+ char line[4096];
+ int done = 0, ch = -1;
+ total = 0;
+
+ while( !done ) {
+ char *bp = line, *ep = bp + sizeof(line);
+ if( !fgets(bp, ep-bp, fp) ) break;
+ // skip ws (indent)
+ while( bp < ep && *bp == ' ' ) ++bp;
+ if( bp >= ep || !*bp || *bp == '\n' ) continue;
+ char *title = bp;
+ // span to ws
+ while( bp < ep && *bp && *bp != ' ' && *bp != '\n' ) ++bp;
+ if( bp >= ep || title == bp ) continue;
+ int title_len = bp - title;
+ // skip blank seperator
+ if( *bp++ != ' ' ) continue;
+ reallocate_table(total + 1);
+ char *tp = new char[title_len + 1];
+ names[total] = tp;
+ while( --title_len >= 0 ) *tp++ = *title++;
+ *tp = 0;
+ // accumulate value (+ continued lines)
+ char *value = bp;
+ while( bp < ep && !done ) {
+ while( bp < ep && *bp && *bp != '\n' ) ++bp;
+ if( bp >= ep || !*bp ) break;
+ if( (ch=fgetc(fp)) < 0 ) break;
+ if( ch != '+' ) { ungetc(ch, fp); break; }
+ *bp++ = '\n';
+ done = !fgets(bp, ep-bp, fp);
+ }
+ int value_len = bp - value;
+ char *vp = new char[value_len + 1];
+ values[total] = vp;
+ while( --value_len >= 0 ) *vp++ = *value++;
+ *vp = 0;
+ total++;
+ }
+ return 0;
+}
+
+int BC_Hash::load()
+{
+ FILE *fp = fopen(filename, "r");
+ if( !fp ) return 1;
+ int ret = load_file(fp);
+ fclose(fp);
+ return ret;
+}
+
+int BC_Hash::save_file(FILE *fp)
+{
+ for(int i = 0; i < total; i++) {
+ fputs(names[i], fp);
+ char *vp = values[i];
+ char *bp = vp;
+ fputc(' ',fp);
+ while( (vp=strchr(vp, '\n')) ) {
+ while( bp < vp ) fputc(*bp++,fp);
+ fputc('\n',fp); fputc('+',fp);
+ ++bp; ++vp;
+ }
+ while( *bp ) fputc(*bp++,fp);
+ fputc('\n', fp);
+ }
+ return 0;
+}
+
+int BC_Hash::save()
+{
+ FILE *fp = fopen(filename,"w");
+ if( !fp ) return 1;
+ int ret = save_file(fp);
+ fclose(fp);
+ return ret;
+}
+
+int BC_Hash::load_string(const char *bfr)
+{
+ FILE *fp = fmemopen((void*)bfr, strlen(bfr), "r");
+ if( !fp ) return 1;
+ int ret = load_file(fp);
+ fclose(fp);
+ return ret;
+}
+
+int BC_Hash::save_string(char *&bfr)
+{
+ size_t bsz = 0;
+ FILE *fp = open_memstream(&bfr, &bsz);
+ if( !fp ) return 1;
+ int ret = save_file(fp);
+ fclose(fp);
+ return ret;
+}
+
+
+
+int32_t BC_Hash::get(const char *name, int32_t default_)
+{
+ for(int i = 0; i < total; i++)
+ {
+ if(!strcmp(names[i], name))
+ {
+ return (int32_t)atol(values[i]);
+ }
+ }
+ return default_; // failed
+}
+
+int64_t BC_Hash::get(const char *name, int64_t default_)
+{
+ int64_t result = default_;
+ for(int i = 0; i < total; i++)
+ {
+ if(!strcmp(names[i], name))
+ {
+ sscanf(values[i], "%jd", &result);
+ return result;
+ }
+ }
+ return result;
+}
+
+double BC_Hash::get(const char *name, double default_)
+{
+ for(int i = 0; i < total; i++)
+ {
+ if(!strcmp(names[i], name))
+ {
+ return atof(values[i]);
+ }
+ }
+ return default_; // failed
+}
+
+float BC_Hash::get(const char *name, float default_)
+{
+ for(int i = 0; i < total; i++)
+ {
+ if(!strcmp(names[i], name))
+ {
+ return atof(values[i]);
+ }
+ }
+ return default_; // failed
+}
+
+char* BC_Hash::get(const char *name, char *default_)
+{
+ for(int i = 0; i < total; i++)
+ {
+ if(!strcmp(names[i], name))
+ {
+ strcpy(default_, values[i]);
+ return values[i];
+ }
+ }
+ return default_; // failed
+}
+
+int BC_Hash::update(const char *name, double value) // update a value if it exists
+{
+ char string[BCSTRLEN];
+ sprintf(string, "%.16e", value);
+ return update(name, string);
+}
+
+int BC_Hash::update(const char *name, float value) // update a value if it exists
+{
+ char string[BCSTRLEN];
+ sprintf(string, "%.6e", value);
+ return update(name, string);
+}
+
+int BC_Hash::update(const char *name, int32_t value) // update a value if it exists
+{
+ char string[BCSTRLEN];
+ sprintf(string, "%d", value);
+ return update(name, string);
+}
+
+int BC_Hash::update(const char *name, int64_t value) // update a value if it exists
+{
+ char string[BCSTRLEN];
+ sprintf(string, "%jd", value);
+ return update(name, string);
+}
+
+int BC_Hash::update(const char *name, const char *value)
+{
+ for(int i = 0; i < total; i++)
+ {
+ if(!strcmp(names[i], name))
+ {
+ delete [] values[i];
+ values[i] = new char[strlen(value) + 1];
+ strcpy(values[i], value);
+ return 0;
+ }
+ }
+
+// didn't find so create new entry
+ reallocate_table(total + 1);
+ names[total] = new char[strlen(name) + 1];
+ strcpy(names[total], name);
+ values[total] = new char[strlen(value) + 1];
+ strcpy(values[total], value);
+ total++;
+ return 1;
+}
+
+#define varFn(rtyp, fn, typ) \
+rtyp BC_Hash::fn##f(typ value, const char *fmt, ...) { \
+ char string[BCTEXTLEN]; va_list ap; va_start(ap, fmt); \
+ vsnprintf(string, BCTEXTLEN, fmt, ap); \
+ va_end(ap); return fn(string, value); \
+}
+
+varFn(int,update,double) varFn(double,get,double)
+varFn(int,update,float) varFn(float,get,float)
+varFn(int,update,int32_t) varFn(int32_t,get,int32_t)
+varFn(int,update,int64_t) varFn(int64_t,get,int64_t)
+varFn(int,update,const char *) varFn(char *,get,char *)
+
+
+void BC_Hash::copy_from(BC_Hash *src)
+{
+// Can't delete because this is used by file decoders after plugins
+// request data. use explicit destructor to clear/clean
+// this->~BC_Hash();
+
+SET_TRACE
+ reallocate_table(src->total);
+// total = src->total;
+SET_TRACE
+ for(int i = 0; i < src->total; i++)
+ {
+ update(src->names[i], src->values[i]);
+// names[i] = new char[strlen(src->names[i]) + 1];
+// values[i] = new char[strlen(src->values[i]) + 1];
+// strcpy(names[i], src->names[i]);
+// strcpy(values[i], src->values[i]);
+ }
+SET_TRACE
+}
+
+int BC_Hash::equivalent(BC_Hash *src)
+{
+ for(int i = 0; i < total && i < src->total; i++)
+ {
+ if(strcmp(names[i], src->names[i]) ||
+ strcmp(values[i], src->values[i])) return 0;
+ }
+ return 1;
+}
+
+int BC_Hash::size()
+{
+ return total;
+}
+
+char* BC_Hash::get_key(int number)
+{
+ return names[number];
+}
+
+char* BC_Hash::get_value(int number)
+{
+ return values[number];
+}
+
+
+void BC_Hash::dump()
+{
+ printf("BC_Hash::dump\n");
+ for(int i = 0; i < total; i++)
+ printf(" key=%s value=%s\n", names[i], values[i]);
+}
projects / goodguy / history.git / blobdiff