Program to build Word Index Program plan: Include the required header files in the program. Declare the function prototypes. Define a “main()” function. Create an object for map along with set container. Call the function “build_Map()” and get its status If it is “true”, then display the map size. Call the function “create_Index()”. Define a “create_Index()” function. Create a file “index.txt”. Get the word map container. If the file has been successfully opened, Using for to iterate the map elements. Write the set elements in the “index.txt”. Close the file. Else, display an error message. Define a “build_Map()” function. Declare the required input variables. Call the function “fileopen()” and get its status. If it is true, then Read the first line from the file. Using while to find the end of the file Increment the line counter. Call the function “spliting()” function. Using for to iterate the string vector elements. Create an empty set. Emplace the empty set from word map. Insert the line counter in the word map. Read the next line form the file. Close the input file. Return the file open status. Define a “fileopen()” function. Declare the required input variables. Get the file name from the user. Open the input file. If it is successfully open, then set the status as true. Else, set the status as false. Return the file open status. Define a “splitting()” function. Declare the required variables. Get the occurrence of the first delimiter. Using while until not get the delimiter Extract the token from the string Trim the whitespace which had presented in the string. Push the token into the vector. Increment the position to point the next character. Find the next occurrence of delimiter If it the last token, then Extract the token from the string Trim the whitespace which had presented in the string. Push the token into the vector. Define a “triming()” function. Get the string. Find the first character from the string. Find the last character from the string. Return the string.

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Chapter 17, Problem 7PC

Program Plan Intro

Program to build Word Index

Program plan:

Include the required header files in the program.

Declare the function prototypes.

Define a “main()” function.

Create an object for map along with set container.

Call the function “build_Map()” and get its status

If it is “true”, then display the map size.

Call the function “create_Index()”.

Define a “create_Index()” function.

Create a file “index.txt”.

Get the word map container.

If the file has been successfully opened,

Using for to iterate the map elements.

Write the set elements in the “index.txt”.

Close the file.

Else, display an error message.

Define a “build_Map()” function.

Declare the required input variables.

Call the function “fileopen()” and get its status.

If it is true, then

Read the first line from the file.

Using while to find the end of the file

Increment the line counter.

Call the function “spliting()” function.

Using for to iterate the string vector elements.

Create an empty set.

Emplace the empty set from word map.

Insert the line counter in the word map.

Read the next line form the file.

Close the input file.

Return the file open status.

Define a “fileopen()” function.

Declare the required input variables.

Get the file name from the user.

Open the input file.

If it is successfully open, then set the status as true.

Else, set the status as false.

Return the file open status.

Define a “splitting()” function.

Declare the required variables.

Get the occurrence of the first delimiter.

Using while until not get the delimiter

Extract the token from the string

Trim the whitespace which had presented in the string.

Push the token into the vector.

Increment the position to point the next character.

Find the next occurrence of delimiter

If it the last token, then

Extract the token from the string

Trim the whitespace which had presented in the string.

Push the token into the vector.

Define a “triming()” function.

Get the string.

Find the first character from the string.

Find the last character from the string.

Return the string.

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