int FindSymbol(char str[],int pos) /*找到一个符号或括号,进行相应的处理*/
{
int h,k;
char word[MAXTOKEN];
word[0]=str[pos];
word[1]='\0';
pos++;
if ((h=hashtable[Hash(word)])==-1) /*在lexicon中找不到该符号*/
{
printf("表达式中存在不能识别的符号\n");
return -1;
}
else if (Leading()==1) /*若之前有"("、一元或二元运算符*/
{
if (Kind(h)==RIGHTPAREN) /*当前符号为")"*/
{
printf("不应为右括号\n");
return -1;
}
else if (Kind(h)!=BINARYOP) /*当前符号不为二元运算符,将其添加到infix中*/
PutToken(h);
else /*当前符号为二元运算符*/
{
if (strcmp(word,"+")==0); /*为"+"时,应是一元"+",不做任何事件*/
else if (strcmp(word,"-")==0) /*为"-"时,应是一元"-",将"~"添加到infix中*/
PutToken(hashtable[Hash("~")]);
else /*其他二元运算符为非法*/
{
printf(" >>二元运算符不正确\n");
return -1;
}
}
}
else /*Leading()=0时*/
{
if (Kind(h)==BINARYOP || Kind(h)==RIGHTPAREN) /*将二元运算符或")"添加到infix中*/
PutToken(h);
else
{
printf("二元运算符不正确\n");
return -1;
}
}
if ((k=Kind(h))==LEFTPAREN)
parencount++;
else if (k==RIGHTPAREN)
if (--parencount<0) /*左、右括号不匹配*/
{
printf("太多的右括号\n");
return -1;
}
return pos;
}
int FindNumber(char str[],int pos) /*找到一个操作数,进行相应的处理*/
{
if (Leading()==0)
{
printf("常量位置不正确\n");
return -1;
}
else /*将当前识别的操作数添加到lexicon表中*/
{
lexicon[++tokencount].kind=OPERAND;
lexicon[tokencount].info.val=atof(&str[pos]); /*将该操作数串转换成数值*/
strcpy(lexicon[tokencount].name,"number");
PutToken(tokencount); /*将lexicon中对应的下标添加到infix中*/
for (;isdigit(str[pos]) || str[pos]=='.';pos++); /*扫描完该操作数*/
return pos;
}
}
int FindWord(char str[],int pos) /*找到一个单词,进行相应的处理*/
{
int h;
char word[MAXTOKEN];
pos=ExtractWord(str,pos,word);
h=hashtable[Hash(word)];
if (h!=-1) /*在哈希表中找到时*/
{
if (Leading()==1)
{
if (Kind(h)==BINARYOP)
{
printf("二元运算符位置不正确\n");
return -1;
}
else
PutToken(h);
}
else
{
if (Kind(h)!=BINARYOP)
{
printf("应为二元运算符\n");
return -1;
}
else
PutToken(h);
}
return pos;
}
else /*h==-1时*/
{
printf(" >>不正确的标识符\n");
return -1;
}
}
void CTextStyle::FromOldStyle(const TextStyle& style)
{
// Set some defaults.
SetDefault();
// Copy the style information over.
Font(style.get_face());
Size(MakeFixed(style.get_size(), style.get_size_fraction()));
BaseSize(MakeFixed(style.get_base_size(), style.get_base_size_fraction()));
Expansion(DivFixed(MakeFixed(style.get_base_size(), style.get_base_size_fraction()),
MakeFixed(FONT_EXPANSION_UNIT)));
Fill(style.get_pattern(), style.get_color());
Outline(style.get_outline(), style.get_color());
Shadow(style.get_shadow(), style.get_color());
m_Character.m_nEffectsVersion = 1;
XFlipped(style.get_xflipped());
YFlipped(style.get_yflipped());
// Color(style.get_color());
Alignment(style.get_line_alignment());
VerticalAlignment(style.get_vertical_alignment());
// Left and right margin should be zero (default) unless set by user.
// This fixes a problem converting old warp text boxes - they should
// always have zero margins!
LeftMargin(0);
RightMargin(0);
// LeftMargin(PageToInches(style.get_left_margin()));
// RightMargin(PageToInches(style.get_right_margin()));
LeadingType(LEADING_lines);
Leading(MakeFixed(0.875));
Underline(style.UnderlineStyle());
// Update our metrics.
UpdateFontMetrics();
}
